Namesakes
Fictional Characters from Television:
2 characters
Eric Weiss 2001 Alias 
Rob Weiss 2001 24
Nobel Prize Winners:
1 physics
(physics) Rainer Weiss 2017
Notable Actors and Entertainers:
1 actor
Jonathan Taylor Thomas (a.k.a. Weiss) 1981-
Notable Athletes:
1 soccer
(soccer) Vladimír Weiss 1989-
Notable Musicians:
1 singer
Chuck E. Weiss 1945-2021
Olympic Medalists:
1 bronze, 1 bronze/silver
(bronze) Gisela Weiß 1960 swimming - 4x100 m freestyle relay
(bronze/silver) Ute Oberhoffner (a.k.a. Weiss) 1984; 1988 luge
Saints:
1 blessed
Blessed Liberatus Weiss ?-1716