Yefri Pérez Martínez (born February 24, 1991) is a Dominican professional baseball outfielder who is a free agent.

In 2011, Pérez split the year between the GCL Marlins and the Low-A Jamestown Jammers, accumulating a .241/.266/.323 slash line with no home runs and 18 RBI.

Pérez split the 2013 season between the Low-A Batavia Muckdogs, the Single-A Greensboro Grasshoppers, and the High-A Jupiter Hammerheads, slashing .229/.268/.340 with a career-high 3 home runs and 18 RBI in 48 games between the three teams.

In 2015, Pérez spent the season in Jupiter, logging a .240/.286/.269 slash line with 1 home run and 22 RBI in 135 games.

[3] He was called up a second time on July 15,[4] and made his debut two days later as a pinch runner for Cole Gillespie, stealing a base and scoring against the St. Louis Cardinals.

On August 29, 2019, Pérez signed with the High Point Rockers of the Atlantic League of Professional Baseball.

On January 23, 2023, Pérez signed with the Charleston Dirty Birds of the Atlantic League of Professional Baseball.