GMK may refer to:
Godzilla, Mothra and King Ghidorah: Giant Monsters All-Out Attack, a 2001 kaiju film abbreviated as “GMK” Good Morning Kuya, a Philippine morning news-talk program GMK (producer), Nigerian record producer Gud Morning Kapatid, a Philippine morning TV show 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