Florian Grengbo (born 23 August 2000) is a French track cyclist.

A sprinter, in 2016 he was the French junior team sprint champion,[1] a title he retained in 2017 as well as gaining two bronze medals in the individual sprint and in the keirin at the national championships.

[2] At the 2018 UCI Junior Track Cycling World Championships, he won the team sprint for France alongside Vincent Yon and Titouan Renvoise.

[3] At the 2018 European Junior Championships, he was again part of a victorious French team; this time with Rayan Helal and Melvin Landerneau.

[6] In June 2021, he was named to the team sprint event at the 2020 Summer Olympics alongside Helal and Sébastien Vigier.