KSDP may refer to:
- KSDP (AM), a radio station (830 AM) licensed to serve Sand Point, Alaska, United States
- The Korean Social Democratic Party, a political party in North Korea
- The Kansas Democratic Party, the affiliate of the Democratic Party in the state of Kansas
KSDP is a Public Radio and Full Service formatted broadcast radio station licensed to Sand Point, Alaska, serving Aleutians East. KSDP is owned and operated by Aleutian Peninsula Broadcasting, Inc.