GVAV-Rapiditas are a Dutch multi-sport club based in Groningen, Netherlands.

Both club merged on 26 January 1921 under the new name "Groningse sportvereniging GVAV-Rapiditas", whose membership was only open to men.

[3] The new association consisted of a number of departments, such as athletics, boxing, gymnastics, football and swimming.

Finally in 1965, it was decided to set up the professional standalone club Stichting Betaald Voetbal GVAV.

When this professional club was promoted to the Eredivisie in 1971, the name was changed to FC Groningen.