Mathias Kristensen (born 24 June 1993) is a Danish professional footballer who plays as a forward for Danish 1st Division side Kolding IF, on loan from Danish Superliga club Lyngby Boldklub.
In December 2017, Kristensen signed with AC Horsens after scoring 58 goals in three season for Tarup-Paarup in the Denmark Series. He left the club again in December 2018.
On 15 February 2019, Kristensen signed with Nykøbing FC for the rest of the season. After an excellent season in Nykøbing, where the 28-year-old striker was top scorer in the Danish 1st Division and also voted 'Player of the Year' by Spillerforeningen, it was confirmed on 2 June 2022, that Kristensen had joined newly promoted Danish Superliga club Lyngby Boldklub, signing a deal until June 2025.