Dongnae District () is a gu (district) in central Busan, South Korea.
It has a population of about 300,000, and an area of 16.7 square kilometers. It was once a separate city, the principal port of southeastern Korea. Numerous historical relics are preserved in the area. Dongnae District is divided into seven legal dong, which altogether comprise 14 administrative dong, as follows:
Sajik-dong is home to two major sports venues: Sajik Baseball Stadium (home of KBO team Lotte Giants) and Sajik Arena (home to various basketball teams). Both venues, alongside the nearby Sajik Swimming Pool, hosted the baseball, basketball, gymnastics, swimming and diving events of the 2002 Asian Games held in Busan.
Heosimcheong Spa, Asia's largest spa, is in Oncheon-dong.
The Bokcheon-dong Ancient Tombs Park is a tourist attraction and archeological site located in Bokcheon-dong.