James Richard Thibault (; ; born December 27, 2005) is an American politician who currently serves as a member of the New Hampshire House of Representatives for the Republican Party. As of 2025, he is among the youngest state legislators in the United States.
Thibault was born in 2005 in Laconia, New Hampshire. He has an older and a younger sister. He is of paternal French Canadian descent.
He graduated from Winnisquam Regional High School and currently attends Saint Anselm College.
Thibault attended the American Legion's 2023 Boys Nation program, as well as the 62nd annual United States Senate Youth Program in 2024. He also previously served as youth co-chair of the New Hampshire Legislative Youth Advisory Council and as the political director for the High School Republican National Federation.
In September 2024, Thibault defeated Brandon Stevens in the Republican primary election for Merrimack County district 25 of the New Hampshire House of Representatives. In November 2024, he defeated Joyce Fulweiler in the general election, winning over 60 percent of the vote. He succeeded Jason Gerhard as representative. He is among the youngest state legislators in New Hampshire history, second only to Valerie McDonnell .