Unda or UNDA may refer to:
*
Unda (genus), a genus of Amoebozoa
* Unda (plural "undae"), a term for an
extraterrestrial dune field
*
Unda (organization), the International Catholic Association for Radio and Television which was merged with OCIC to form SIGNIS in 2001
*
''Unda'' (film), a Malayalam-language action comedy film
*
University of Notre Dame Australia
{{disambiguation