Louis Delmas (French pronunciation: [lwi dɛl.ma]; born April 12, 1987) is a Haitian-born former professional American football safety.

Delmas was named to the All-MAC Defensive First-team in 2008[3] and played in the 2009 Senior Bowl All-Star game.

Delmas won September's rookie defensive player of the month award.

[11] Delmas was named a Pro Bowl alternate for the NFC after the 2011 NFL season, despite missing five games to injuries.

[13] On October 6, 2013, Lions' center Dominic Raiola was involved in an incident of trash-talking and hate speech to members of the UW-Madison marching band.

The driver, Andry Madrigal, was suspected of driving under the influence and failed sobriety test on the scene.

Delmas continued to yell while the police officers conducted the field sobriety tests and was arrested after ignoring multiple requests.