Brandon Michael Cunniff (born October 7, 1988) is an American former professional baseball pitcher.

Cunniff attended Norco High School and the California State University, San Bernardino.

He spent his first professional season with the rookie–level Gulf Coast League Marlins and Low–A Jamestown Jammers, making 18 appearances before being released.

The next year, Cunniff made nine more appearances with Lynchburg until a promotion to the Southern League's Mississippi Braves.

After Craig Kimbrel and Melvin Upton, Jr. were traded to the San Diego Padres on April 6, Cunniff was called up.

[5] Cunniff went on the disabled list for the first time in his career on June 26, 2015, after suffering a groin strain.

[7] Due to a loss of effectiveness arising from a heavy workload in his first Major League Baseball season, Cunniff was not invited to spring training in 2016.

In 26 games of relief 28 innings he went 2-0 with a 3.54 era and 25 strikeouts On February 19, 2019, Cunniff signed with the Tigres de Quintana Roo of the Mexican League.