ESSO

ESSO may refer to:

• Esso, a brand name of products marketed by Exxon Mobil
• Enterprise Single Sign-On
• Estonian State Symphony Orchestra or Estonian National Symphony Orchestra, an orchestra in Tallinn, Estonia, also known as ERSO (from its Estonian language name Eesti Riiklik Sümfooniaorkester)
• Esso (rural locality), a rural locality (a selo) in Bystrinsky District of Kamchatka Krai, Russia