Act Like You Know is the third studio album by American hip hop recording artist MC Lyte. It was released on September 17, 1991, by First Priority Music, distributed by Atlantic Records, and featured production from Audio Two, The 45 King, Ivan "Doc" Rodriguez, The King of Chill, Pal Joey, Epic Mazur, Richard Wolf and DJ Master Tee.

Lana Michele Moorer, better known by her stage name MC Lyte, is an American rapper. Considered one of the pioneers of female rap, MC Lyte first gained fame in the late 1980s, becoming the first female rapper to release a full solo album with 1988's critically acclaimed Lyte as a Rock. The album spawned the singles "10% Dis" and "Paper Thin".