What is "hto"

HTO may refer to:

• HTO Park a beach in Toronto, Ontario, Canada
• East Hampton Airport, in New York, United States
• Haupttreuhandstelle Ost, a Nazi state institution in occupied Poland
• Hellenic Tourist Organisation
• High tibial osteotomy
• High Temperature Oxide
• Hightown railway station, in England
• Hohmann transfer orbit
• Holocene thermal optimum
• Hostile takeover
• Minica Huitoto, spoken in Colombia and Peru
• OTE, a Greek telecommunications company
• Waco HTO, an American biplane
• Partially tritiated water