Paul Kostacopoulos (born November 28, 1964) is an American college baseball coach.

In 1995, Providence won the Big East regular season title and received an at-large bid to the 1995 NCAA tournament, where it went 0–2.

[4][6] In his first four seasons as head coach (1997–2000), Maine finished higher than fourth in the America East only once.

[7][8][9] Kostacopoulos was named America East Coach of the Year for second-place conference finishes in 1997 and 2001.

The appearance came in 2011, when Navy won both the Patriot League regular season and tournament championships.