MKO

MKO may refer to:

Mingang Doso, a language of Nigeria, ISO 639-3 mko
Mojahedin-e-Khalq Organization, Iran
Mauna Kea Observatories, Hawaii
Münchener Kammerorchester, Munich chamber orchestra
IATA code for Davis Field airport, Muskogee, Oklahoma
Mary-Kate Olsen, American designer and businessperson
Markona railway station, Odisha, India
MKO Abiola (1937–1998), Nigerian businessperson
Mechanical Keep Out, the clearance required around a PCBA to avoid mechanical fitment issues