NB may refer to:
The National Broadcasting Company (NBC) is an American commercial broadcast television network that is the flagship property of NBCUniversal, a subsidiary of Comcast.
NBCSN is an American digital cable and satellite television channel that is owned by the NBC Sports Group division of NBCUniversal.
NBC News is a division of the American broadcast network NBC. The division operates under NBCUniversal News Group, a subsidiary of NBCUniversal, in turn a subsidiary of Comcast.
This article lists all-time records achieved in the NBA post-season in major categories recognized by the league, including those set by teams and individuals in single games, series, and careers.