| Robert A. Antonioni | |
| Office: | Member of the Massachusetts State Senate |
| Term Start: | 1993 |
| Term End: | 2009 |
| Predecessor: | Mary L. Padula |
| Successor: | Jennifer Flanagan |
| Office3: | Massachusetts House of Representatives from the 4th Worcester District |
| Term Start3: | 1989 |
| Term End3: | 1993 |
| Predecessor3: | Angelo Picucci |
| Successor3: | Mary Jane Simmons |
| Birth Date: | 15 July 1958 |
| Birth Place: | Leominster, Massachusetts, U.S. |
| Nationality: | American |
| Party: | Democratic |
| Alma Mater: | College of the Holy Cross (BA) New England School of Law (JD) |
| Profession: | Attorney |
Robert A. Antonioni (born July 15, 1958) is an American attorney and politician who served in the Massachusetts General Court and on the Leominster City Council.
Antonioni was born on July 15, 1958, in Leominster, Massachusetts. He graduated from the College of the Holy Cross and New England School of Law.[1]
Antonioni's political career began in 1985 when he ran for a seat on the Leominster City Council. In 1988, Antonioni was elected to the Massachusetts House of Representatives. Four years later he was elected to the Massachusetts Senate. In 2008, Antonioni announced that he was not seeking reelection.[2] He was succeeded by Jennifer Flanagan.