The 34th Seoul Music Awards (Korean: 34th 서울가요대상; RR: 34th Seoul Gayo Daesang) is an award ceremony held on June 21, 2025, in Inspire Arena, South Korea. Organized by Y Global Music and Sports Seoul. The show is hosted by Kang Seung-yoon, Miyeon, and Soobin.

Only songs and albums released from January 2024 to March 2025 were eligible to be nominated.

The first list of performers was announced on May 16. The second list of performers was announced on May 21. The third list of performers was announced on May 26.

The first list of presenters was announced on May 6. The second list of presenters was announced on May 30.

Winners and nominees were listed in alphabetical order. Winners were listed first and emphasized in bold.

The list of nominees was announced on March 24, 2025, through the official website. Voting opened on March 24, 2025, and closed on May 10, 2025.

The following artist(s) received two or more awards: