Gustavs Tūrs (24 May 1890 — 16 March 1973) was a Latvian prelate of the Evangelical Lutheran Church of Latvia and Archbishop of Riga from 1948 to 1968.

For a short time he served as a pastor in Latgale in the parishes of Sīķele, Borne, Kalupe, Preiļi and Krāslava.

During and after World War II he was a pastor of St. John's Church, Riga and of Alūksne, Sātu and Zemītes.

On 14 March 1948 he was elected Archbishop of the LELB however he was never consecrated due to ongoing political issues.

On 23 March 1968, at the 11th General Synod, Tūrs resigned from his post as Archbishop of Riga and Primate of the Church of Latvia.