Dan Cantwell is an American former tennis player.
Cantwell, a native of Salisbury, Maryland, was a collegiate tennis player for the University of Maryland. He won the Atlantic Coast Conference singles championship in 1990 and a two-time All-ACC.
In 1996 he featured as a wildcard in the main draw of the Legg Mason Tennis Classic in Washington DC, where he was beaten in the first round by Slovakia's Karol KuÃÂera.
A graduate of the University of Baltimore School of Law, Cantwell now works as an attorney in Maryland.