##### 



Exhibit 12.1

CERTIFICATIONS

I, Christopher Naughton, certify that:

1. I have reviewed this annual report on Form 20-F of Novogen Limited;



|2. |  | Based on my knowledge, this annual report does not contain any untrue
statement of a material fact or omit to state a material fact necessary to
make the statements made, in light of the circumstances under which such
statements were made, not misleading with respect to the period covered by
this annual report and
|-- |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|  
|3. |  | Based on my knowledge, the financial statements, and other information
included in this annual report, fairly present in all material respects
the financial condition, results of operations and cash flows of the
registrant as of, and for, the periods presented in this annual report.                                
|  
|4. |  | The Companys other certifying officer(s) and I are responsible for
establishing and maintaining disclosure controls and procedures (as
defined in Exchange Act Rules 13a-15(e) and 15d-15(e) ) for the company
and have:                                                                                                  



| | (a) |  | Designed such disclosure controls and
procedures, or caused such disclosure controls and procedures
to be designed under our supervision, to ensure that material
information relating to the company, including its
consolidated subsidiaries, is made known to us by others
within the entities, particularly during the period in which
this report is being prepared:
| | --- |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
| | (b) |  | Omitted                                                                                                                                                                                                                                                                                                                                                                  
|
| | (c) |  | Evaluated the effectiveness of the companys
disclosure controls and procedures and presented in this
report our conclusions about the effectiveness of the
disclosure controls and procedures, as of the end of the
period covered by this report based on such evaluation; and                                                                                         
|
| | (d) |  | Disclosed in the report any change in the
companys internal control over financial reporting that
occurred during the period covered by the annual report that
has materially affected, or is reasonably likely to
materially affect the companys internal control over
financial reporting; and                                                                       



|5. |  | The Companys other certifying officer(s) and I have disclosed, based on
our most recent evaluation of internal control over financial reporting,
to the companys auditors and the audit committee of the companys board
of directors (or persons performing the equivalent functions).
|-- |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (a) |  | All significant deficiencies and material
weaknesses in the design or operation of internal control
over financial reporting which are
| | --- |  | --------------------------------------------------------------------------------------------------------------------------------------





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| |     |  | reasonably likely to adversely affect the companys ability to
record, process, summaries and report financial information;
and                                        
| | --- |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
| | (b) |  | Any fraud, whether or not material, that
involves management or other employees who have a significant
role in the companys internal control over financial
reporting.

|                        |  |                         
|----------------------- |  | ------------------------
|Date: December 23, 2003 |  | /s/ CHRISTOPHER
NAUGHTON
|                        |  | Managing Director       





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##### 



I, David Ross Seaton, certify that:



|1. |  | I have reviewed this annual report on Form 20-F of Novogen Limited;                                                                                                                                                                                                                                                        
|-- |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|  
|2. |  | Based on my knowledge, this annual report does not contain any untrue
statement of a material fact or omit to state a material fact necessary to
make the statements made, in light of the circumstances under which such
statements were made, not misleading with respect to the period covered by
this annual report and
|  
|3. |  | Based on my knowledge, the financial statements, and other information
included in this annual report, fairly present in all material respects
the financial condition, results of operations and cash flows of the
registrant as of, and for, the periods presented in this annual report.                                
|  
|4. |  | The Companys other certifying officer(s) and I are responsible for
establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e) ) for the
company and have:                                                                                                  



| | (a) |  | Designed such disclosure controls and
procedures, or caused such disclosure controls and procedures
to be designed under our supervision, to ensure that material
information relating to the company, including its
consolidated subsidiaries, is made known to us by others
within the entities, particularly during the period in which
this report is being prepared:
| | --- |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
| | (b) |  | Omitted                                                                                                                                                                                                                                                                                                                                                                  
|
| | (c) |  | Evaluated the effectiveness of the companys
disclosure controls and procedures and presented in this
report our conclusions about the effectiveness of the
disclosure controls and procedures, as of the end of the
period covered by this report based on such evaluation; and                                                                                         
|
| | (d) |  | Disclosed in the report any change in the
companys internal control over financial reporting that
occurred during the period covered by the annual report that
has materially affected, or is reasonably likely to
materially affect the companys internal control over
financial reporting; and                                                                       



|2. |  | The Companys other certifying officer(s) and I have disclosed, based on
our most recent evaluation of internal control over financial reporting,
to the companys auditors and the audit committee of the companys board
of directors (or persons performing the equivalent functions).
|-- |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (a) |  | All significant deficiencies and material
weaknesses in the design or operation of internal control
over financial reporting which are reasonably likely to
adversely affect the companys ability to record, process,
summaries and report financial information; and
| | --- |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------





---



##### 





| | (b) |  | Any fraud, whether or not material, that
involves management or other employees who have a significant
role in the companys internal control over financial
reporting.
| | --- |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------

|                        |  |                        
|----------------------- |  | -----------------------
|Date: December 23, 2003 |  | /s/ DAVID SEATON       
|                        |  | Chief Financial Officer