GMK

GMK may refer to:


 * Godzilla, Mothra and King Ghidorah: Giant Monsters All-Out Attack, a 2001 film
 * Good Morning Kuya, a Philippine morning news-talk program
 * GMK (producer), Nigerian record producer
 * Guido Maria Kretschmer (born 1965), German fashion designer and television personality
 * Mountain Band of the Bundeswehr (or GebMusKorpsB, or GMK), a German military band
 * GM Korea, a South Korean automobile manufacturer
 * GMK Boulevard, a street in Mersin, Turkey