Florian Mayer
- Date of birth: October 5, 1983
- Birthplace: Bayreuth, Germany
- Residence: Bayreuth, Germany
- Height: 6'3'' (1.90 m)
- Weight: 180 lbs (81 kg)
- Plays: Right-handed
Florian Mayer plays on both the ATP Tour and Challenger Tour. He has won five Challenger events which has helped him stay in the Top 50 on the rankings. Mayer reached his career-high singles ranking of World No. 33 on 27 September 2004.
At the 2004 Wimbledon Championships, Mayer reached the quarter-finals, which is his best Grand Slam result to date. He received the ATP Newcomer of the Year award in 2004.
Mayer is known for his unorthodox style of play. He has a long backswing on his forehand and backhand and uses a lot of different slices and spin on his backhand side. He is also known for his jumping backhand dropshots which catches many of his opponents on the back foot.
