Seth Michael Beer (born September 18, 1996) is an American professional baseball outfielder and first baseman who is a free agent.

Beer attended Lambert High School in Forsyth County, Georgia.

[13][14] On June 27, Beer was promoted to the Quad Cities River Bandits of the Class A Midwest League.

[15] On July 30, after a short stint with the River Bandits, Beer was promoted to the Buies Creek Astros of the Class A-Advanced Carolina League.

[19] On July 31, 2019, the Astros traded Beer to the Arizona Diamondbacks along with prospects J.B. Bukauskas, Corbin Martin, and Joshua Rojas for Zack Greinke.

Over 122 games between Fayetteville, Corpus Christi, and Jackson, Beer batted .289/.388/.516 with 26 home runs, 31 hit by pitch, and 103 RBIs.

On September 14, Beer suffered a dislocated left shoulder and was placed on the injured list three days later.

[32] On December 6, 2023, the Pittsburgh Pirates selected Beer in the minor league phase of the Rule 5 draft.