Pablo Oscar Cavallero Rodríguez (born 13 April 1974 in Lomas de Zamora, Buenos Aires Province) is an Argentine retired footballer who played as a goalkeeper.

Eight years of his professional career were spent in Spain, with three different clubs, namely Celta.

During his career, Cavallero played for Club Atlético Vélez Sársfield, Unión de Santa Fe, RCD Espanyol, Celta de Vigo and Valencian Levante UD (the last three in Spain's La Liga).

During his time with Celta, he won the Ricardo Zamora Trophy in 2002–03, as the Galician side eventually reached the UEFA Champions League. He allowed 27 goals in 34 games, a goals-per-match average of 0.79.

After about one year without professional football, Cavallero moved to Uruguay with first division outfit Club Atlético Peñarol, retiring in 2009 at the age of 35.

Cavallero played 26 times for Argentina in an eight-year span, and was a participant at the 1996 Summer Olympics, helping the national team win silver, and the 1998 and the 2002 FIFA World Cups (starting in the latter).