Ethan Robert Small (born February 14, 1997) is an American professional baseball pitcher in the San Francisco Giants organization.

[10][11][12] He made his professional debut with the Arizona League Brewers, and, after two games, was promoted to the Wisconsin Timber Rattlers.

On May 30, 2022, Small was selected to the 40-man roster and promoted to the major leagues for the first time to make a spot start against the Chicago Cubs.

[20] He made two major league appearances for Milwaukee on the year, struggling to an 11.25 ERA with 6 strikeouts across 4.0 innings of work.

[21] On February 5, 2024, the Brewers traded Small to the San Francisco Giants in exchange for cash considerations.

[27] He has been known to vary his windup timing on his pitches, to give him an advantage over hitters, similar to pitchers such as Marcus Stroman and Johnny Cueto.