Joseph Peyton Wyatt Jr. (October 12, 1941 – April 4, 2022) served as a U.S. Representative from Texas.

Wyatt served in the United States Marine Corps Reserve from 1966 to 1970.

He served on the staffs of Texas State Senator William Neff "Bill" Patman, United States Representative Clark W. Thompson, and Vice President Lyndon B. Johnson.

Wyatt served as director of community affairs, private firm, Victoria, Texas.

The New York Times reported rumors that Wyatt had been involved in a homosexual scandal, charges which Patman used against him during the campaign.