| Robert McAllister | |
| Birth Date: | 9 January 1876 |
| Birth Place: | Saint John, New Brunswick |
| Death Place: | Saint John, New Brunswick |
| Office: | MLA for St. John County |
| Term: | 1931 to 1960 |
| Party: | Conservative Party of New Brunswick |
Robert McAllister (January 9, 1876 - October 10, 1963) was a businessman and politician in New Brunswick, Canada. He represented St. John County in the Legislative Assembly of New Brunswick as a Conservative member from 1931 to 1960.
He was the son of James McAllister and Jessie Main, both of Scottish origin. In 1902, McAllister married a Miss Humphrey. He was a dyer and cleaner. McAllister served as county warden. He was a member of the Knights of Pythias. He was first elected to the provincial assembly in a 1931 by-election held after John M. Baxter was appointed a judge. He died in 1963 of arteriosclerosis.[1]