Team name with O
- Orlando Magic
- Oilers
- Otters
- Oakland Raiders
- Owls
- Octopus
- Orlando
- Oregon
- Ottawa Senators
- Osasuna
- Oklahoma City Thunder
- Orlando Pirates
- Olympiakos
- Omega
- Oman
- Ohio state
- oregon ducks
- ohio
- Oklahoma Thunder
- Oldham Athletic
- Oldham
- Oxford
- oakland
- opals
- Ohio State Buckeyes
- Olivers
- Olympiacos
- outsiders
- Ontario
- Oscars
- Orangemen
- Ottawa
- Oaks
- ostriches
- orlando city
- Orbits
- Oval
- ostrich
- Obama
- Osaka
- octopuses
- otter
- Oysters
- Orleans
- Olympique Lyon
- olimpia
- Oakland As
- Orange County
- Oldham FC
- over
- Orielos
- orion
- OAKERS
- opelicans
- outliers
- oklahoma city
- Omen
- orlando magics
- octupus
- Ottawa Sens
- ollie
- Oreols
- oakland athletics
- Ostrichs
- Oliver
- oracle
- one
- ovals
- oklahoma sooners
- Olympia
- Oslo
- Onions
- opera
- olives
- Orions
- owl
- oakland a's
- Orange Ocelots
- Orieles
- oliers
- Oceans
- Orange Team
- Olympic
- Olyroos
- Oxes
- Olaf
- Orieals
- Onion
- Orange men
- oregan ducks
- Ogers
- Oops
- orchids
- Ontology
- Ottawa Redblacks
- Oregon state
- Oli
- Opioids
- olive
- open
Slová v zozname Team name with O pochádzajú od hráčov slovnej hry Meno, Mesto, Zviera, Vec.