Brian Drew Mallette (born January 19, 1975) is a former professional baseball pitcher. He played part of one season in Major League Baseball for the Milwaukee Brewers in 2002, and one season in Nippon Professional Baseball for the Osaka Kintetsu Buffaloes.

Mallette was drafted by the Milwaukee Brewers in 1997, and he signed with the team on June 9. In 2002, Mallette was called up to the majors. He pitched five innings that season before being traded to the Los Angeles Dodgers in October. He began the 2003 season with the triple-A Las Vegas 51s, but pitched in just one game before being released. He was signed by the Buffaloes, and finished the season with them. In 2004, he returned to North America, pitching for the Louisville Bats in the Cincinnati Reds organization.

Before the 2005 season, Mallette signed a minor league contract with the Pittsburgh Pirates. On April 6, while in triple-A, he was suspended for 30 games after failing his second drug test.^[1] He was granted free agency in October, ending his professional career.