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| [X] | ANNUAL      REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF      1934 FOR THE FISCAL YEAR ENDED DECEMBER 31,      2007 |
|-----|-------------------------------------------------------------------------------------------------------------------------------------------------|

| [  ] | TRANSITION      REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF      1934 FOR THE TRANSITION PERIOD FROM _______________ TO      _______________ |
|----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|                                                    |  ALTAIR      NANOTECHNOLOGIES INC.                           |                       |
|---------------------------------------------------------|-------------------------------------------------------------------|----------------------------|
|                                                    | (Exact      name of registrant as specified in its charter)       |                       |
| Canada                                                  |                                                              | 1-12497                    |   |  33-1084375 |   |
| (State      or other jurisdictionof      incorporation) |                                                              | (Commission      File No.) |   | (IRS      EmployerIdentification      No.) |   |
|                                                    |  204      Edison WayReno,      Nevada 89502-2306        |                       |   |
|                                                    | (Address      of principal executive offices, including zip code) |                       |   |

| Common Shares, no par value |   | NASDAQ Capital Market                           |
|-----------------------------|--------|-------------------------------------------------|
| (Title      of Class)       |   | (Name      of each exchange on whichregistered) |

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| Large      accelerated filer     [   ] | Accelerated      filer    [X ] | Non-accelerated      filer    [  ] |
|----------------------------------------------------------------------|----------------------------------------------------|------------------------------------------------------------------|

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|   | · | Report      of Independent Registered Public AccountingFirm |
|--------|--------|-------------------------------------------------------------|

|   | · | Report      of Independent Registered Public Accounting Firm on Internal Control over      Financial Reporting |
|--------|--------|----------------------------------------------------------------------------------------------------------------|

|   | · | Consolidated      Balance Sheets, December 31, 2007 and2006 |
|--------|--------|-------------------------------------------------------------|

|   | · | Consolidated      Statements of Operations for Each of the Three  Years |
|--------|--------|-------------------------------------------------------------------------|

|   |  in      the Period Ended December 31, 2007 |
|--------|--------------------------------------------------|

|   | · | Consolidated      Statements of Shareholders’ Equity and Comprehensive Loss for Each of the      Three Years in the Period Ended December 31,  2007 |
|--------|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | · | Consolidated      Statements of Cash Flows for Each of the Three Years in the Period Ended      December 31, 2007 |
|--------|--------|-------------------------------------------------------------------------------------------------------------------|

|   | · | Notes      to Consolidated FinancialStatements |
|--------|--------|------------------------------------------------|

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|   | ALTAIR      NANOTECHNOLOGIES INC.                                                                                                                                                                        |
|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                                                                     |
|   |                                                                                                                                                                                                     |
|   | By:       /s/      Terry      Copeland                       |
|   | Terry      Copeland,President                                                                                                                                                                            |
|   |                                                                                                                                                                                                     |
|   | Date:      March 14, 2008                                                                                                                                                                                |

| Signature                                                  |   | Title                                                                                              |   | Date                            |
|------------------------------------------------------------|--------|----------------------------------------------------------------------------------------------------|--------|---------------------------------|
|  /s/ Terry CopelandTerry      Copeland           |   |  President,      (Principal Executive Officer)                                           |   |  March      14, 2008  |
| /s/ Edward DickinsonEdward      Dickinson             |   | Chief      Financial Officer and Secretary (Principal Financial and Accounting      Officer)  |   | March      14, 2008        |
| /s/ Alan J. Gotcher*Alan      J. Gotcher              |   | Director                                                                                      |   | March      14, 2008        |
| /s/ Michel Bazinet*Michel      Bazinet                |   | Director                                                                                           |   | March      14, 2008        |
| /s/ Jon N. Bengtson*Jon      N. Bengtson              |   | Director                                                                                           |   | March      14, 2008        |
| /s/ George Hartman* George      Hartman          |   | Director                                                                                      |   | March      14, 2008        |
| /s/ Robert Hemphill II* Robert      Hemphill II  |   | Director                                                                                      |   | March      14, 2008        |

| /s/ Pierre Lortie*Pierre      Lortie |   | Director  |   | March      14, 2008  |
|--------------------------------------|--------|----------------|--------|---------------------------|

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| Exhibit      No. |   | Description                                                                                                                                              |   | Incorporated      by Reference/Filed      Herewith (and Sequential Page #)                                                                                                           |
|------------------|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------|--------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|  3.1        |   |  Articles      of Continuance                                                                                                                       |   |  Incorporated      by reference to the Current Report on Form 8-K filed with the SEC on July      18, 2002.**                                                                   |
| 3.2              |   | Bylaws                                                                                                                                                   |   | Incorporated      by reference to the Amendment No. 1 to Annual Report on Form 10-K/A filed      with the SEC on March 10, 2005. **                                                  |
| 4.1              |   | Form      of Common Stock Certificate                                                                                                                    |   | Incorporated      by reference to Registration Statement on Form 10–SB filed with the SEC on      November 25, 1996. **                                                        |
| 4.2              |   | Amended      and Restated Shareholder Rights Plan dated      October  15,  1999,  with Equity Transfer      Services, Inc. |   | Incorporated      by reference to the Company’s Current Report on Form 8-K filed with the      SEC on November 19, 1999. **                                                         |
|  10.1       |   |  Altair      International Inc. Stock Option Plan (1996)                                                                                            |   |  Incorporated      by reference to the Company's Registration Statement on Form S-8, File No.      333-33481 filed with the SEC on July 11, 1997.                               |
| 10.2             |   | 1998      Altair International Inc. Stock Option Plan                                                                                                    |   | Incorporated      by reference to the Company’s Definitive Proxy Statement on Form 14A filed      with the SEC on May 12, 1998. **                                             |
| 10.3             |   | Altair      Nanotechnologies Inc. 2005 Stock Incentive Plan (Amended and      Restated)                                                             |   | Filed      herewith                                                                                                                                                                  |
| 10.4             |   | Standard      Form of Stock Option Agreement under 2005 Stock IncentivePlan                                                                         |   | Filed      herewith                                                                                                                                                                       |
| 10.5             |   | Standard      Form of Restricted Stock Agreement under 2005 Stock Incentive      Plan                                                               |   | Filed      herewith                                                                                                                                                                       |
| 10.6             |   | Installment      Note dated August 8, 2002 (re Edison Way property) in favor of BHP      Minerals International, Inc.                                    |   | Incorporated      by reference to the Company’s Amendment No. 1 to Registration Statement on      Form S-2, File No. 333-102592, filed with the SEC on February 7,      2003.  |
| 10.7             |   | Trust      Deed dated August 8, 2002 (re Edison Way property) with BHP Minerals      International, Inc.                                            |   | Incorporated      by reference to the Company’s Amendment No. 1 to Registration Statement on      Form S-2, File No. 333-102592, filed with the SEC on February 7,      2003.  |

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| Exhibit      No. |   | Description |   | Incorporated      by Reference/Filed      Herewith (and Sequential Page #) |
|------------------|--------|-------------|--------|----------------------------------------------------------------------------|

| 10.8        |   | Employment      Agreement dated December 17, 2006 with Edward Dickinson                                      |   | Incorporated      by reference to the Company’s  Current Report on Form 8-K filed      with the SEC on February 21, 2006. **       |
|-------------|--------|--------------------------------------------------------------------------------------------------------------|--------|----------------------------------------------------------------------------------------------------------------------------------------------------|
| 10.9        |   | Employment      Agreement dated December 17, 2006 with Alan J. Gotcher,    Ph.D.                             |   | Incorporated      by reference to the Company’s  Current Report on Form 8-K filed      with the SEC on February 21, 2006.**        |
| 10.10  |   | License      Agreement dated January 28, 2005 with Spectrum Pharmaceuticals,      Inc.*                      |   | Incorporated      by reference from the Company’s Current Report on Form 8-K filed with the      SEC on February 4, 2005.**             |
| 10.11       |   | Lease      dated October 1, 2005 (Main Indiana Office) with Flagship Enterprise      Center             |   | Incorporated      by reference to the Company’s  Quarterly Report on Form 10-Q      filed with the SEC November 14, 2005. **  |
| 10.12       |   | Lease      dated August 1, 2006 (Indiana Office Additional Space) with Flagship      Enterprise Center  |   | Incorporated      by reference to the Annual Report on Form 10-K filed with the SEC on March      13, 2007.**                                      |
| 10.13       |   | Placement      Agent Agreement dated December 13, 2006 with Cowen and Company,      LLC                      |   | Incorporated      by reference to the Company’s  Current Report on Form 8-K filed      with the SEC on December 13, 2006. **  |
| 10.14       |   | Purchase      and Supply Agreement dated January 8, 2007 with Phoenix Motorcars,      Inc.*                  |   | Incorporated      by reference to the Company’s  Current Report on Form 8-K filed      with the SEC on January 12, 2007. **   |
| 10.15       |   | Department      of Energy Grant Agreement dated September 9, 2006 with the U.S. Department      of Energy    |   | Incorporated      by reference to the Annual Report on Form 10-K filed with the SEC on March      13, 2007.**                                 |
| 10.16       |   | 2007      Annual Executive Incentive Bonus Plan *                                                       |   | Incorporated      by reference to the Annual Report on Form 10-K filed with the SEC on March      13, 2007. **                                |
| 10.17       |   | Subcontract      dated March 6, 2007 with U.N.L.V.                                                           |   | Incorporated      by reference to the Company’s  Quarterly Report on Form 10-Q      filed with the SEC May 10, 2007. **       |
| 10.18       |   | Contribution      Agreement dated April 24, 2007 with the Sherwin-Williams Company and      AlSher Titania*  |   | Incorporated      by reference to the Current Report on Form 8-K filed with the SEC on April      30, 2007. **                                |
| 10.19       |   | License      Agreement dated April 24, 2007 with the Sherwin-Williams Company and      AlSher Titania        |   | Incorporated      by reference to the Current Report on Form 8-K filed with the SEC on April      30, 2007. **                                |

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| Exhibit      No. |   | Description |   | Incorporated      by Reference/Filed      Herewith (and Sequential Page #) |
|------------------|--------|-------------|--------|----------------------------------------------------------------------------|

| 10.20 |   | Flagship      Business Accelerator Tenant Lease dated July 1, 2007 with the Flagship      Enterprise Center, Inc.             |   | Incorporated      by reference to the Company’s  Quarterly Report on Form 10-Q      filed with the SEC August 9, 2007. **               |
|-------|--------|-------------------------------------------------------------------------------------------------------------------------------|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 10.21 |   | Amendment      dated August 17, 2007 to Altair Executive Employment Agreement between the      Company and Alan Gotcher  |   | Incorporated      by reference to the Current Report on Form 8-K filed with the SEC on      August 17, 2007, File No. 001-12497                         |
| 10.22 |   | Amendment      dated August 17, 2007 to Altair Executive Employment Agreement between the      Company and Edward Dickinson   |   | Incorporated      by reference to the Current Report on Form 8-K filed with the SEC on      August 17, 2007, File No. 001-12497                         |
| 10.23 |   | Amendment      dated August 17, 2007 to Altair Executive Employment Agreement between the      Company and Bruce Sabacky      |   | Incorporated      by reference to the Current Report on Form 8-K filed with the SEC on      August 17, 2007, File No. 001-12497                         |
| 10.24 |   | Development      Services Agreement executed on September 25, 2007 between the Company and      Elanco Animal Health*         |   | Incorporated      by reference to the Current Report on Form 8-K filed with the SEC on      September 27, 2007, File No. 001-12497                      |
| 10.25 |   | Employment      Agreement dated November 13, 2007 with Terry Copeland                                                         |   | Incorporated      by reference to the Company’s  Current Report on Form 8-K filed      with the SEC on November 16, 2007.**             |
| 10.26 |   | Registration      Rights Agreement dated November 29, 2007 with Al YousufLLC                                                  |   | Incorporated      by reference to the Company’s  Current Report on Form 8-K filed      with the SEC on November 30, 2007.**             |
| 10.27 |   | Letter      agreement dated April 21, 2006 with JP Morgan Securities,    Inc.                                                 |   | Incorporated      by reference to the Company’s  Current Report on Form 8-K filed      with the SEC on  November 30, 2007.**  |
| 10.28 |   | Letter      agreement dated September 24, 2007 with JPMorgan Securities,      Inc.                                            |   | Incorporated      by reference to the Company’s  Current Report on Form 8-K filed      with the SEC on  November 30, 2007.**  |
| 10.29 |   | Employment      Agreement dated December 7, 2007 with Bruce Sabacky                                                           |   | Incorporated      by reference to the Company’s  Current Report on Form 8-K filed      with the SEC on December 7, 2007.**              |
| 10.30 |   | Subcontract      dated January 29, 2008 with the Office of Naval Research                                                |   | Filed      herewith.                                                                                                                                    |
| 10.31 |   | Service      Agreement dated February 11, 2008 with Melpar BVBP                                                          |   | Filed      herewith.                                                                                                                                    |
| 10.32 |   | Mandate      & Contractorship Agreement dated February 11, 2008 with Rik      Dobbelaere                             |   | Filed      herewith                                                                                                                                          |

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| Exhibit      No. |   | Description |   | Incorporated      by Reference/Filed      Herewith (and Sequential Page #) |
|------------------|--------|-------------|--------|----------------------------------------------------------------------------|

| 10.33      |   | Employment      Agreement dated March 10, 2008 with Jeffrey A. McKinney  |   | Filed      herewith                                              |
|------------|--------|-------------------------------------------------------------------------------|--------|------------------------------------------------------------------|
| 10.34      |   | Employment      Agreement dated March 10, 2008 with Stephen Balogh       |   | Filed      herewith                                              |
| 21         |   | List      of Subsidiaries                                                     |   | Incorporated      by reference from Item 1 of this report.  |
| 23.1       |   | Consent      of Perry-Smith LLP                                               |   | Filed      herewith                                         |
| 24         |   | Powers      of Attorney                                                       |   | Included      in the Signature Page hereof.                 |
| 31.1  |   | Rule      13-14(a)/15d-14a Certification of Chief Executive Officer           |   | Filed      herewith                                              |
| 31.2  |   | Rule      13-14(a)/15d-15a Certification of Chief Financial Officer           |   | Filed      herewith                                              |
| 32.1  |   | Section      1350 Certification of Chief Executive Officer                    |   | Filed      herewith                                              |
| 32.2       |   | Section      1350 Certification of Chief Financial Officer                    |   | Filed      herewith                                              |

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