Daniel Pedro Killer (born 31 December 1949) is an Argentine former professional football defender who was part of the Argentina squad that won the 1978 FIFA World Cup.

[1][2] Daniel and his brother Mario were part of the Rosario Central[3][4][5][6] team that won the Primera Division Argentina Nacional championship of 1973.

Killer started his career in 1970 with his home town club; Rosario Central where he was joined by his brother Mario in 1972.

Killer also played for Rosario Central's fiercest local rivals, Newell's Old Boys.

[13] Daniel Killer also had a short spell in Colombia with Bucaramanga,[14] he finished his career in the lower leagues with Argentino de Rosario.