| William F. Passannante | |
| Office: | Member of the New York State Assembly from the 61st district |
| Term Start: | January 1, 1983 |
| Term End: | December 31, 1990 |
| Predecessor: | Elizabeth Connelly |
| Successor: | Deborah J. Glick |
| Office2: | Member of the New York State Assembly from the 64th district |
| Term Start2: | January 1, 1973 |
| Term End2: | December 31, 1982 |
| Predecessor2: | Peter A. A. Berle |
| Successor2: | Richard N. Gottfried |
| Office3: | Member of the New York State Assembly from the 63rd district |
| Term Start3: | January 1, 1967 |
| Term End3: | December 31, 1972 |
| Predecessor3: | Joseph J. Dowd |
| Successor3: | Anthony G. DiFalco |
| Office4: | Member of the New York State Assembly from the 69th district |
| Term Start4: | January 1, 1966 |
| Term End4: | December 31, 1966 |
| Predecessor4: | District created |
| Successor4: | Daniel M. Kelly |
| Office5: | Member of the New York State Assembly from New York's 1st district |
| Term Start5: | January 1, 1955 |
| Term End5: | December 31, 1965 |
| Predecessor5: | Maude E. Ten Eyck |
| Successor5: | District abolished |
| Birth Date: | 10 February 1920 |
| Birth Place: | New York City, New York |
| Death Place: | Manhattan, New York |
| Alma Mater: | New York University (BS) Harvard University (LLB) |
| Battles: | World War II |
| Party: | Democratic |
William F. Passannante (February 10, 1920 – December 15, 1996) was an American politician and attorney who served in the New York State Assembly from 1955 to 1990.[1]
Passannante was born and raised in Greenwich Village. He was the baptismal godson of Tammany Hall boss Carmine De Sapio.[2] After attending public schools, Passannante earned a Bachelor of Science from New York University in 1940. He served in the United States Army during World War II and later earned a Juris Doctor from Harvard Law School.[3]
From 1949 to 1953, Passannante served as an assistant United States Attorney for the Southern District of New York. In 1954, he served as Legislative Counsel to the President of the New York City Council. He was elected to the New York State Assembly in 1954, and served until his retirement in 1990.[4]
He died of pancreatic cancer on December 15, 1996, in Manhattan, New York City, New York at age 76.
Passannante is the namesake of the William F. Passannante Ballfield in Greenwich Village.[5]