Mary Beth Dunnichay (born February 25, 1993, in Elwood, Indiana) is an American platform diver.

Her older brother Caleb is also a competitive diver for Auburn University.

[1] In the synchronized competition Ishimatsu and Dunnichay earned fifth place scoring 309.12.

[2] In May 2012, the city of Elwood, Indiana, Dunnichay's hometown, renamed their city pool Mary Beth Dunnichay Aquatic Center.

This biographical article related to Americans involved in acrobatic diving is a stub.