SKM may refer to:
- Singapore Kindness Movement, a non-profit organization which advocates kindness in Singapore
- Sinclair Knight Merz, an engineering services company headquartered in Australia
- Star Kingdom of Manticore, a fictional human star-nation in the 'Honorverse' science-fiction setting.
- Szybka Kolej Miejska (Tricity), S-Bahn type service in Poland's Tricity region.
- Szybka Kolej Miejska (Warsaw) a rail operator in the Warsaw metropolitan area.
- SKM Corporation, a Korean company group held by the SKC Corporation.
- SKM Air Conditioning Equipment, a Sharjah based company.
- Some Kind of Monster (disambiguation), a song, EP, and documentary film by the band Metallica.
- Shek Kip Mei, Kowloon, Hong Kong
- Sun Kil Moon, an American folk rock band.