| Valentyn Symonenko | |
| Office: | First Deputy Prime Minister of Ukraine |
| Primeminister: | Vitold Fokin |
| Term Start: | 11 July 1992 |
| Term End: | 7 November 1992 |
| Predecessor: | Kostyantyn Masyk |
| Successor: | Ihor Yukhnovsky |
| Office1: | Acting Prime Minister of Ukraine |
| President1: | Leonid Kravchuk |
| Term Start1: | 2 October 1992 |
| Term End1: | 13 October 1992 |
| Predecessor1: | Vitold Fokin |
| Successor1: | Leonid Kuchma |
| Office2: | Presidential Representative in Odesa Oblast |
| President2: | Leonid Kravchuk |
| Term Start2: | March 1992 |
| Term End2: | July 1992 |
| Office3: | Director of reinforced concrete structures factory No. 3 of the Odesazalizobeton trest |
| Term Start3: | December 1970 |
| Term End3: | April 1973 |
| Office4: | People's Deputy of Ukraine |
| Term Start4: | May 1990 |
| Term End4: | June 1992 |
| Term Start5: | May 1994 |
| Term End5: | May 1998 |
| Birth Date: | 4 July 1940 |
| Birth Place: | Odesa |
| Alma Mater: | Odesa State Academy of Construction and Architecture |
| Spouse: | Yelena Taratuta |
| Children: | Serhiy (1963), Kostyantyn (1974), Yelena Vitalivna Lozhkareva |
| Native Name Lang: | uk |
Valentyn Kostyantynovych Symonenko (Ukrainian: Валентин Костянтинович Симоненко; born 4 July 1940) is a Ukrainian politician and former Soviet Communist Party functionary. Between 1996 and 2011 he was chairman of the Accounting Chamber of Ukraine.
In 1983–1992 he served as mayor of Odesa, then as the First Vice Prime Minister of Ukraine in the Fokin government, and for period of 10 days in October 1992 (2–12 October) ex officio acted as a Prime Minister of Ukraine upon the resignation of Vitold Fokin and the appointment of Leonid Kuchma to the office. Symonenko became the first "acting Prime Minister".
Symonenko has been elected to the Verkhovna Rada (parliament) for three sequential terms (11, 12(1), and 13(2) convocations).
In 1996 he was elected as the Chairman of the Accounting Chamber of Ukraine. In 2003 he was re-elected for the second 7-year term. The Accounting Chamber executes control over revenues and expenditures of the State Budget of Ukraine on behalf of the Verkhovna Rada.