Udo
is a masculine given name.
Udo or UDO may also refer to:
Places
- Udo (Jeju Province), an island in Jeju Province, South Korea
- Udo-myeon, an administrative district corresponding to the island
 
 - Udo (Incheon), an island in Incheon, South Korea
 - Udo (Seosan), an island in South Chungcheong Province, South Korea
 
Plants
- Udo, one of the common names for Aralia cordata, an Asian plant eaten as a vegetable
 
Culture
- U.D.O., heavy metal band formed in 1987
 - United Dance Organisation (UDO), world's largest street dance organisation
 - Udo-jingū, a Shinto shrine in Nichinan, Miyazaki prefecture, Japan
 - Udo the Red Panda, mascot of the University of Mannheim
 - Tommy Udo, a character in the 1947 film Kiss of Death
 
Sports
- União Desportiva Oliveirense (UDO), commonly known as UD Oliveirense or simply Oliveirense, a Portuguese sports club
 
Other uses
- Udo (given name), a given name
 - UDO (markup language), a lightweight markup language
 - Ultra Density Optical (UDO), an optical disk format for data storage
 - Unified Development Ordinance (UDO), a local policy instrument combining zoning and other regulations
 
See also
- Odo, a name
 - Uto (disambiguation)