Mathias Fixelles

{{short description|Belgian footballer}}

{{Use dmy dates|date=March 2021}}

{{Infobox football biography

| name = Mathias Fixelles

| image =

| image_size =

| fullname =

| birth_date = {{birth date and age|1996|08|11|df=y}}

| birth_place = Soignies, Belgium

| height = 1.83 m

| position = Midfielder

| currentclub = Westerlo

| clubnumber = 4

| youthyears1 = {{0|0000}}–2014 | youthclubs1 = OH Leuven

| youthyears2 = 2014–2015 | youthclubs2 = Tubize

| youthyears3 = 2015 | youthclubs3 = Sint-Truiden

| years1 = 2015–2016 | clubs1 = Woluwe-Zaventem | caps1 = 33 | goals1 = 3

| years2 = 2016–2021 | clubs2 = Union SG | caps2 = 119 | goals2 = 1

| years3 = 2021–2022 | clubs3 = Kortrijk | caps3 = 20 | goals3 = 0

| years4 = 2022– | clubs4 = Westerlo | caps4 = 57 | goals4 = 3

| club-update = 6 June 2025

}}

Mathias Fixelles (born 11 August 1996) is a Belgian professional footballer who plays for Belgian First Division A club Westerlo. He can play either as a central or attacking midfielder.