Nestor Ruben Togneri (27 November 1942 - 8 December 1999) was an Argentine football (soccer) defender.
He played mostly for Estudiantes de La Plata (1968-1975) as a central defender, and was part of the 1974 FIFA World Cup Argentina national football team. Togneri also played for Club Atletico Platense between 1965 and 1967 and for Club Atletico Quilmes in 1976, where he retired from football.
During his time with Estudiantes the club enjoyed the most successful period in their history. Togneri was part of the team that won one league title, 3 Copa Libertadores, one Copa Intercontinental and one Copa Interamericana.
Togneri died in San Martin, Buenos Aires province, at the age of 57.