Allen Isaiah "Dutch" Romberger (May 26, 1927 – May 26, 1983) was an American professional baseball player.

All of his ten appearances came in relief, and he was ineffective, allowing 28 hits, three home runs and 12 bases on balls in 122⁄3 innings pitched, with six strikeouts.

Called into the game in the seventh inning with Philadelphia trailing 4–0, Romberger set down the Detroit Tigers in order.

[2] Romberger was a successful minor league pitcher, compiling a 111–72 win-loss record (.607) in 462 games, all but 23 of them for the Athletics' organization.

This biographical article relating to an American baseball pitcher born in the 1920s is a stub.