Charles Merzbacher (born January 31, 1965) is an American tennis coach and former professional player.

Merzbacher is a native of Findlay, Ohio and played collegiate tennis for the University of Minnesota between 1983 and 1987, earning three All-Big Ten selections.

In the late 1980s he featured on the professional tour and reached a best singles world ranking of 351.

He qualified for the main draw of the 1989 Australian Open, losing in the first round to Magnus Gustafsson.

[2] Merzbacher's daughter Caitlyn was also a tennis player for the University of Minnesota and his son Chad is a professional golfer.