ETO

• Emitter turn off thyristor, a semiconductor device
• Ethylene oxide, an organic compound
• RUNX1T1, a gene
• Efforts to Outcomes, software produced by Social Solutions

• ETO-SZESE Győr FKC, a Hungarian handball club
• Győri Audi ETO KC, a Hungarian women's handball club
• ETO Park, a multi-use stadium in Győr, Hungary
• Stadion ETO, the predecessor of ETO Park

• Electro-technical officer, on a merchant ship
• Engineer to order, in supply chain management
• English Touring Opera, an opera company in the United Kingdom
• Eton language, a Bantu language
• European Theatre of Operations, the European theatre of World War II
• European Theater of Operations, United States Army, an American theater of operations in World War II
• Earth-Trisolaris Organization, an organization in the novel The Three-Body Problem

{{canned search|eto|e-to|et-o|e-t-o}}

• Eto, a Japanese name
• {{lookfrom|Eto}}
• {{srt}}

{{disambiguation}}