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