Each has eight nominations, including album of the year for Carey ("The Emancipation of Mimi") and West ("Late Registration"). Legend's nominations include best new artist and best R&B album for "Get Lifted."
Other performers will be announced at a later date, The Recording Academy said Wednesday.
The awards show will be held Feb. 8 at the Staples Center in Los Angeles. It will air on CBS (8 p.m. EST).