Wistar \wi(s)-tar\ as a girl's name (also used as boy's name Wistar), is of German origin. Surname of unknown meaning. Caspar Wistar was a prominent doctor in late 18th century Philadelphia, and taught at what became the University of Pennysylvannia.

Wistar has 2 variant forms: Wistarr and Wister.

Baby names that sound like Wistar are Wistaria, Easter, Ester and Wisteria.