Pablo Marcelo Buabse (born 27 March 1963 in San Miguel de Tucumán) is a former Argentine rugby union player.
He played as a lock and as a flanker.
Buabse played for local team of Los Tarcos Rugby Club.
He had 7 caps for Argentina, from 1989 to 1995, without scoring.
He was called for the 1991 Rugby World Cup, playing a game, and for the 1995 Rugby World Cup, but this time never leaving the bench.