Kundziņsala is an island and neighbourhood in Daugava River in Riga, the capital of Latvia. The neighbourhood is administratively part of Riga's Northern District. Kundziņsala is the biggest island in Riga. It is mainly covered by industrial area related to maritime trade. However there are 468 permanent residences (As of 2010[update]).
The name Kundziņsala means "The nobleman's island" in Latvian.
The sole public transportation route to the island is the Rīgas Satiksme's #3 trolley (previously #33 bus). There are two bridges connecting Kundziņsala with the mainland's Sarkandaugava neighborhood.