- Brian Marmaud
- Brian Martin
- Brian Maschler
- Brian Mason
- Brian May
- Brian McAllister
- Brian McAuley
- Brian McBride
- Brian Mccafferty
- Brian Mccann
- Brian McCarthy
- Brian McCloskey
- Brian Mcdaniel
- Brian McDonagh
- Brian McDonald
- Brian McGann
- Brian McGee
- Brian Mcmahon
- Brian McMahon
- Brian Mcmillan
- Brian McMillen
- Brian McNeely
- Brian Meenagh
- Brian Mesibov
- Brian Michaud
- Brian Middlebrook
- Brian Miller
- Brian Miller
- Brian Miner
- Brian Model
- Brian Moher
- Brian Moll
- Brian Moloney
- Brian Mooney
- Brian Moore
- Brian Moore
- Brian Morfitt
- Brian Moynihan
- Brian Mullen
- Brian Murphy