Exhibit 31.2

RULE 13a-14(a)/15d-14(a) CERTIFICATION



I, Thomas Van Lenten, certify that:



1. I have reviewed this quarterly report on Form 10-Q of Naugatuck
Valley Financial Corporation;



2. Based on my knowledge, this 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 report;



3. Based on my knowledge, the financial statements, and other
financial information included in this 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 report;



4. The registrant's other certifying officer 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))
and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant 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 registrant, including its consolidated subsidiaries, is made known to us by others within
those entities, particularly during the period in which this report is being prepared;



(b)   Designed such internal control
over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide
reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external
purposes in accordance with generally accepted accounting principles; and



(c)   Evaluated the effectiveness of
the registrant'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 this report
any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal
quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial
reporting; and



5. The registrant's other certifying officer and I have disclosed,
based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee
of registrant's board of directors (or persons performing the equivalent function):



(a)    All significant deficiencies
and material weakness in the design or operation of internal control over financial reporting which are reasonably likely to adversely
affect the registrant's ability to record, process, summarize 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 registrant's internal control over financial
reporting.





|Date: November 28, 2012 |                                           
|----------------------- | ------------------------------------------
|                        |                                           
|By:                     | /s/ Thomas Van Lenten                     
|                        | Thomas Van Lenten, Chief Financial Officer