Carlos Romero Barceló New Progressive Hernán Padilla New Progressive San Juan, Puerto Rico, held an election for mayor on November 2, 1976.

It was held as part of the 1976 Puerto Rican general election.

It saw the election of Hernán Padilla, a member of the New Progressive Party.

Incumbent mayor Carlos Romero Barceló, a member of the New Progressive Party, did not seek reelection, and instead ran for governor.