orioles
The whole team names that start with A are the Atlanta Braves and the Arizona Diamondbacks but the teams' nicknames that start with A are the Astros and the Angels.
Ouzo
the Amazing alligators
Jets, Jaguars
Orioes
Oreo
Oakland athletics
The names of cars start with letters of the alphabet. Some of the names are Acura, Chevrolet, Kia and Toyota.
oliver, olivia, ozzie, oz.
octopus, ocelot, orca,
oak tree Okame Cherry
Obi-Wan