Florian Allgauer (born 7 January 1979) is an Italian former professional tennis player.

[1][2] A native of South Tyrol, Allgauer was a promising player at junior level and won the Trofeo Bonfiglio (Italian juniors) in 1997, ending the year ranked 14th in the world.

[3] On the professional tour he reached a career high singles ranking of 216 and made his only ATP Tour main draw appearance in 1999 at the Merano Open, losing to Galo Blanco 4-6 3-6.

[4] On the ATP Challenger circuit, he reached three semi-finals, in Montauban (1999) l. Emmanuel Couto, Mumbai (2000) l. Dennis van Scheppingen and Bressanone (2001) l. Alessio di Mauro.

Allgauer was in a relationship with tennis player Flavia Pennetta in the early 2000s.