Delta Alpha Pi (ΔΑΠ) was a social fraternity was founded in 1919 at Ohio Wesleyan University.

As of October 1929, Alpha, Beta and Gamma chapters had houses, but Delta at NYU did not.

However the chapter at Purdue University withdrew, eventually affiliating with Alpha Chi Rho.

[3] The Delta Alpha Pi coat of arms always featured Roman helmet in profile above a shield with a wavy silver border.

[4] The badge of Delta Alpha Pi was a shield mounted on a cross of which only the ends were visible.