League of Legends Champion with O
- Olaf
- Ornn
- oriana
- Orion
- oliver
- olive
- Owen
- Ollie
- Ogre
- Orlando
- Ores
- omen
- Octopus
- Olga
- Oswald
- Olly
- Olivia
- Oren
- ORN
- Orc
- Oracle
- Obama
- oprah
- Oil
- Otter
- Ola
- oman
- Oggy
- Omg
- omar
- oreo
The words in the list League of Legends Champion with O come from players of the word game City, Country, River.