Bill Russell won 11 championships... 1957, 1959-66, 1968, & 1969
Bill Russel won his 11 championships as part of the Boston Celtics from 1956 - 1969
Bill Russel, Bob Cousy, Tom Heinsohn won 4 straight NBA championships
Bill Russel 11 NBA championships, as far as team sports go.
Bill Russel Bill Russel
If you're asking about a team, it's the Celtics at 17 championships, with the Lakers close with 16 championships. However, if you're asking about a player, It's Bill Russel with 11. He's a big reason the Celtics have won that many championship, and The Celtics are a big reason he's won so many championships.
Bill Russell won 11 championships... 1957, 1959-66, 1968, & 1969.