Terek may refer to:

• Terek, Baicheng County [zh] (Uyghur: تېرەك بازىرى), a town in Xinjiang, China

• Terek, Alay, a village in Alay District, Osh Region
• Terek, Kara-Kulja, a village in Kara-Kulja District, Osh Region
• Terek Pass, a mountain pass in the Altay Mountains, Kyrgyzstan

• Terek Oblast (1860–1920), a former division in the Russian Empire and early Russian SFSR
• Terek Soviet Republic (1918–1919), a former division of the Russian SFSR
• Terek, Russia, several inhabited localities
• Terek, Kabardino-Balkarian Republic, a town and the administrative center of Tersky District, Kabardino-Balkar Republic

• Terek (river), a river in Georgia and Russia
• FC Terek Grozny, a soccer club in Grozny, Chechen Republic, Russia
• Spanish cruiser Rapido, a ship which later served as the Imperial Russian Navy auxiliary cruiser Terek during the Russo-Japanese War

• Terek Cossacks, a Cossack host on the Terek River
• Terek–Kuma Lowland, in the southwestern part of the Caspian Depression
• Terek sandpiper, a small wading bird