David Alexander Caldwell (born May 19, 1987) is a former American football safety.

A native of Montclair, New Jersey, Caldwell graduated from Montclair High School before spending a postgraduate year at the Lawrenceville School.

He started 13 games at strong safety during the 2011 Regular Season and made 67 tackles.

On August 26, 2012, the Indianapolis Colts waived Caldwell and he is currently an NFL free agent.

On August 31, 2013, Caldwell did not make the 53-man roster for the Giants, and was waived.