Nam is a gu, or district, in south-central Busan, South Korea. Much of Nam-gu sticks out into the Sea of Japan, forming a peninsula which separates Suyeong Bay from Busan Harbor. It has an area of 25.91 km2. Nam-gu officially became a gu of Busan in 1975. In 1995 part of Nam-gu was divided to form Suyeong-gu.

Pukyong National University is a national university in Busan, South Korea, formed in 1996. The university has two campuses, Daeyeon-dong and Yongdang-dong, situated near the coastal district of Nam-gu. PKNU has a traditional focus on fisheries sciences and other maritime fields, and has extensive facilities for Marine and Technology studies.