Reuben or Reuven is a Biblical male first name from Hebrew רְאוּבֵן (Re'uven), meaning "behold, a son". In the Bible, Reuben was the firstborn son of Jacob.
Variants include Rúben in European Portuguese; Rubens in Brazilian Portuguese; Rubén in Spanish; Rubèn in Catalan; Ruben in Dutch & Armenian; and Rupen/Roupen in Western Armenian & Indian.