Ivan Grésèque (born 23 July 1953) is a French former professional rugby league footballer, coach and manager who represented France.
His playing career for XIII Catalan was marked by the French Championship and Lord Derby Cup titles.
Grésèque made his international debut for France against Australia in the last match of the 1978 Kangaroo tour.
Grésèque went on to play sixteen times for France at halfback, his last a 22–0 defeat by New Zealand in 1985.
Grésèque's spell as head coach was not successful and he finished with a record of ten losses, three draws and only one win.