The election for Resident Commissioner to the United States House of Representatives took place on November 8, 1988, the same day as the larger Puerto Rican general election and the United States elections, 1988.
- Jaime Fuster for the Popular Democratic Party
- Luis Pío Sánchez Longo for the Puerto Rican Independence Party
- Pedro Rosselló for the New Progressive Party
|Popular Democratic||Jaime Fuster ( inc.)||864,396||48.96|
|New Progressive||Pedro Rosselló||821,896||46.55|
|Puerto Rican Independence||Luis Pío Sánchez Longo||79,159||4.48|
|Popular Democratic hold|