Namsan most often refers to Namsan Mountain in Seoul.

Namsan also may refer to:

Mountains

• Namsan (Chagang) in Chagang Province, North Korea
• Namsan (Chungju) in Chungju City, North Chungcheong Province, South Korea
• Namsan (Gyeongju) in the heart of Gyeongju National Park, in Gyeongju City, North Gyeongsang Province, South Korea.
• Namsan (Haeju) in Haeju-si, South Hwanghae Province, North Korea
• Namsan (Sangju) in Sangju City, North Gyeongsang Province, South Korea
• Namsan (Unnyul) in Eunyul-gun, South Hwanghae Province, North Korea

People

• Yeon Namsan (639–701), third son of the Goguryeo military leader and dictator Yeon Gaesomun

Stations

• Namsan station (Busan Metro), a station of Busan Metro Line 1 in Busan, South Korea
• Namsanjeong station, a station of Busan Metro Line 3 in Busan, South Korea