Serum

Serum may refer to:

Biology and pharmacology

 * Serum (blood), plasma from which the clotting proteins have been removed
 * Antiserum, blood serum with specific antibodies for passive immunity
 * Serous fluid, any clear bodily fluid

Places

 * Serum, India

Other uses

 * Gary Serum (born 1956), American baseball player
 * Serum, a software synthesizer VST created by Steve Duda