Austin James Dean (born October 14, 1993) is an American professional baseball outfielder and first baseman for the LG Twins of the KBO League.

He made his Major League Baseball (MLB) debut in 2018 with the Marlins and has also played for the St. Louis Cardinals and San Francisco Giants.

In his senior year at Klein Collins High School in Spring, Dean hit .379 with 10 doubles, 12 home runs, and 44 RBI, and was a second-team All American selection, while playing third base.

[1][2] The Miami Marlins selected Dean in the fourth round of the 2012 Major League Baseball draft out of high school.

[8] In 2013, he played for the Low–A Batavia Muckdogs and the Single–A Greensboro Grasshoppers, batted a combined .262/.327/.416 with three home runs and 22 RBI in 233 at–bats over 63 total games.

[1] He spent 2015 with the High–A Jupiter Hammerheads where he batted .268/.318/.366 with 67 runs (4th in the Florida State League), a career-high 32 doubles (2nd), five home runs, 52 RBI, 10 sacrifice flies (leading the league), and a career-high 18 stolen bases (though he was caught stealing 10 times) in 515 at–bats over 136 games.

[11] Dean spent 2016 with the Double–A Jacksonville Jumbo Shrimp where he compiled a .238/.307/.375 slash line with 11 home runs and 67 RBI in 480 at–bats over 130 games.

[15] He appeared in only three games during the season, going one-for-four with three walks, while missing time due to injury.

[1] In the minors, with the Triple–A Memphis Redbirds and Single–A Palm Beach Cardinals, he batted .246/.368/.456 with two home runs and 10 RBI in 87 at–bats over 18 games.