RTO

RTO may refer to:

Organisations

• The Really Terrible Orchestra, a British amateur orchestra
• Regional Transport Office, Indian government bureau
• Regional transmission organization, in electric utility distribution
• Registered training organisation
• NATO Research and Technology Organisation, a division of the North Atlantic Treaty Organisation (NATO)
• Russian theatrical society, which was formed in the 19th century
• [[Research technology organization], which are non-profit organisations in EU whose core mission is to produce, combine and bridge various types of knowledge, skills and infrastructures to deliver a range of research and development activities in collaboration with public and industrial partners of all sizes.

Other

• Return to office, a requirement set by an executive compelling workers to gather in the office during the COVID-19 pandemic
• Recovery time objective, the time for a business process to be restored after a disruption
• referred-to-output
• Rejected takeoff, in aviation
• Regenerative thermal oxidizer, in off-gas treatment
• Retransmission timeout, in the Transmission Control Protocol
• Reverse takeover, a merger between a public company and a private company
• Rent-to-own a piece of property
• Radiotelephone operator, a former occupational specialty in the U.S. military
• Request time out, a packet loss on ping (networking utility)