Club de Rugby Ateneo Inmaculada
|Full name||Club de Rugby Ateneo Inmaculada|
|Union||Unión Santafesina de Rugby|
|Founded||22 October 1974|
|Location||Santa Fe, Argentina|
|Ground(s)||Autopista Santa Fe-Rosario km 150,5|
|League(s)||Torneo del Litoral|
Club de Rugby Ateneo Inmaculada, also known for its acronym CRAI is an Argentine rugby union and field hockey club, located in Santo Tomé, Santa Fe Province. Ateneo Inmaculada is member of the Unión Santafesina de Rugby and currently plays in the Torneo del Litoral.
In 1973, conscripts of the Engineers Regiment of Santo Tomé were told by the military authorities they could no longer play rugby on the premises of the regiment for safety reasons. They met again a year later, in the Ateneo Inmaculada social club, and decided to found the Club de Rugby Ateneo Inmaculada on October 22, 1974.
The club was donated 1,5 hectare of land, located near the Buenos Aires-Santa Fe motorway, by a rich family close to the club and started building rugby pitches and a club house. Until this donation was effectivised, CRAI moved to different fields to play its home games: Club Excursionista, Regimiento 12 and El Quilla were some of them, so the club was nicknamed El Gitano (The Gypsy), because of the character of nomad that those people have.
In 1973 a group of girls started to practise field hockey at the club. Two years later the CRAI opened a section for this sport and the different categories are incorporated to the club.