Laetitia Denis (born 4 February 1988 in Yaoundé, Cameroon) is a French athlete specializing in the 400 metres hurdles.
A versatile athlete, she made her debut in the heptathlon by finishing sixth of the 2005 Cadet World Championships with a total of 5402 points. She won in 2006 the junior national titles in the 400m hurdles and the 60m hurdles, and became vice-European champion in the 110m hurdles in 2007. Junior champion of France at the 110m hurdles in 2008, she won the bronze medal in the relay 4 × 400 m at the 2009 Summer Universiade.
In March 2011, Laetitia Denis won the relay bronze medal for the 4 × 400 m at the European Indoor Championships in Paris-Bercy alongside Muriel Hurtis-Houairi, Floria Gueï and Marie Gayot. The French team ran a time of 3 min 32 s 16 losing that day to Russia and the UK
|2006||World Junior Championships||Beijing, China||14th (sf)||400m hurdles||58.55|
|8th (h)||4×400m relay||3:39.28|
|2007||European Junior Championships||Hengelo, Netherlands||2nd||100 m hurdles||13.35|
|Universiade||Bangkok, Thailand||12th (sf)||100 m hurdles||13.51|
|2009||Universiade||Belgrade, Serbia||7th||100 m hurdles||13.36|
|3rd||4 x 100 m relay||44.31|
|European U23 Championships||Kaunas, Lithuania||12th (sf)||400m hurdles||58.04|
|Jeux de la Francophonie||Beirut, Lebanon||5th||400 m hurdles||58.99|
|2010||European Championships||Barcelona, Spain||6th||4 x 400 m relay||3:27.44 (h)|
|2011||European Indoor Championships||Paris, France||3rd||4 x 400 m relay||3:32.16|
|400 m hurdles||57 s 40||Angers||25 July 2009|
|400 m Indoor||53 s 29||Paris||28 February 2010|