Dr. Know

Dr. Know may refer to:


 * Dr. Know (band), a punk band from Oxnard, California
 * Dr. Know (guitarist) (born 1958), stage name of guitar player Gary Miller from the band Bad Brains
 * Dr. Know (TV series), a TV program on the Discovery Health Channel
 * Dr. Know, a commercial information service in the film Artificial Intelligence: A.I.