Frederick Douglass Haynes III (born 1960) is an American pastor and politician from Texas. A member of the Democratic Party, he is the pastor for Friendship-West Baptist Church in Dallas. Haynes is the Democratic nominee for Texas's 30th congressional district in the 2026 election.
Haynes was born in Dallas. His father, Frederick Haynes Jr., moved the family to San Francisco, where Frederick Haynes Sr. was pastor at Third Baptist Church.
Haynes earned a Bachelor of Arts from Bishop College, a Master of Divinity from Southwestern Baptist Theological Seminary, and a Doctor of Ministry from the Graduate Theological Foundation. As part of his doctoral studies, he studied at Christ Church at the University of Oxford.
In 1983, Haynes became the senior pastor of Friendship-West Baptist Church in Dallas, growing its membership from 100 to over 13,000. In September 2025, he took a medical leave of absence to undergo surgery and returned the following month.
In 2023, Haynes succeeded Jesse Jackson as the chief executive officer of the Rainbow/PUSH Coalition. Haynes stepped down from the position three months later.
After incumbent Jasmine Crockett announced that she would run for the U.S. Senate in the 2026 election, Haynes announced that he would run to succeed her in the U.S. House of Representatives for . He was endorsed by Crockett to succeed her, as well as by state representative Chris Turner, Tarrant County Commissioner Alisa Simmons and by Kirk Johnson, the son of Crockett's predecessor, the late Rep. Eddie Bernice Johnson. Kirk Johnson said at Haynes' launch event that Haynes was like an adopted son to his mother, and she would have encouraged voters to support him. Haynes' campaign has also been endorsed by Justice Democrats and the Texas AFL-CIO.
On March 3, 2026, Haynes won the Democratic primary for the 30th congressional district, defeating former state representative Barbara Mallory Caraway and pastor Rodney LaBruce.