Brian Lewis Jennings (born on October 10, 1976 in Mesa, Arizona) is an NFL player. He is a long snapper and a tight end with the San Francisco 49ers. He went to Arizona State University. He was drafted by the 49ers in the 7th round (230th overall) in the 2000 NFL Draft. He made the 2004 Pro Bowl as a need player.

At Red Mountain High School in Mesa, Arizona, Jennings lettered in American football, basketball, and track. As a senior, he was the team captain of the football team and was an All-Region honorable mention as a tight end.

Jennings played college football at Arizona State where he played in 32 games as a tight end and long snapper. He finished his career with four interceptions, one touchdown and nine tackles.