Ulf Fischer (born 29 July 1965) is a German tennis coach and former professional player.

Active on tour in the 1980s, Fischer was born in Göttingen and had a best career singles world ranking of 357.

His best performance on the Grand Prix tennis circuit was a doubles semi-final appearance at the 1982 Bavarian Tennis Championships and he made two doubles finals on the second tier ATP Challenger Series.

During the 1990s he coached both Hendrik Dreekmann and Alex Rădulescu to grand slam quarter-finals.

More recently he was coach of Benjamin Becker, Tommy Haas and Florian Mayer.