CHST may refer to:

• CHST-FM, a radio station (102.3 FM) licensed to London, Ontario, Canada
• Canada Health and Social Transfer
• Chamorro Time Zone (ChST), UTC+10

• Runcu River (Râul Mare)
• Runcu River (Râul Mic)
• Runcu River (Sapanta)
• Runcu River (Somes)
• Runcu River (Săpânța)
• Runcu Salvei
• Runcu, Valcea
• Runcu, Vâlcea
• Run C&W
• Runcșor River
• Run, Daihatsu Tanto
• Rundale municipality
• Rundale parish
• Rundani
• Rundany
• Rund Bay
• Rundblatt
• Rundbogenstil
• RUNDC3A
• Runddelen
• Runde Environmental Centre
• Runde Environmental Centre - (Runde Miljøsenter)'
• Rundell and Bridge
• Rundell and Bridge, (jewellers)
• Rundell, Bridge and Rundell