Nicolas Pallois (born 19 September 1987) is a French professional footballer who plays as a defender for Nantes. He has previously played for Quevilly, Valenciennes, Laval, Chamois Niortais, and Bordeaux.
Pallois started his career with Caen but failed to make an appearance for the club before moving to Championnat de France amateur side Quevilly in 2008. During his two years with Quevilly, he played 53 league matches scoring 3 goals. In May 2010, Pallois joined Ligue 1 club Valenciennes on a three-year contract. He made his professional debut during the 2010–11 season with Valenciennes and went on to play 11 times for the club, before moving on loan to Laval for the 2011–12 season.
On 28 June 2012, Pallois signed a two-year deal with newly promoted Ligue 2 side Chamois Niortais. He went on to make 71 league appearances for Niort over the following two seasons, scoring four goals.
On 17 June 2014, he signed a four-year contract with Bordeaux.
In late July 2017, Pallois moved Ligue 1 rivals FC Nantes, agreeing to a three-year deal with the option of a fourth year. The transfer fee paid to Bordeaux was reported as close to €2 million.