R.C.S. Brainois

{{Short description|Belgian association football club}}

{{distinguish|Royal Stade Brainois}}

{{Infobox football club

| clubname = RCS Brainois

| fullname = Royal Cercle Sportif Brainois

| nickname =

| short name =

| founded = {{start date and age|1913}}

| stadium = Gaston Reiff Stadium

| capacity = 3,000

| mgrtitle = Sporting director

| manager = Henri Pensis

| chrtitle = President

| chairman = Didier Van Hoof

| coach = Olivier Suray

| league = Belgian Division 2

| season = 2024–25

| position = Belgian Division 3 ACFF A, 1st of 16 (promoted)

| website = www.rcsbrainois.com/

| pattern_la1 =

| pattern_b1 =

| pattern_ra1 =

| pattern_sh1 =

| pattern_so1 =

| leftarm1 = ffff00

| body1 = ffff00

| rightarm1 = ffff00

| shorts1 = 0000FF

| socks1 = 0000FF

}}

Royal Cercle Sportif Brainois commonly known as RCS Brainois or simply Braine is a Wallonian Belgian football club from Braine-l'Alleud, Brabant. Founded in 1913, club is assigned matricule nr.75[http://www.foot100.be Foot 100 ASBL. Dictionnaire des clubs affiliés à l'URBSFA depuis 1895 : Archives de l'URBSFA] and is one the oldest continuously existing clubs in the country. The team set to play in Belgian Division 2 from 2025–26, the fourth tier of Belgian football after promotion from Belgian Division 3 in 2024–25.