PTO may refer to:
Sports Phoenix Thunderbirds Open, a golf tournament on the LPGA Tour from 1962 to 1965 Professional Triathletes Organisation, an organisation that representing non-drafting professional triathletes Professional tryout, a type of professional ice hockey contract
Entertainment P.T.O. (video game), a war strategy simulation series by Koei based on the World War II events "P:T:O:", a track from the 1977 Klaus Schulze album Body Love The Phantom of the Opera (adaptations), or the Phantom character from any of these Please Turn Over, a 1959 British comedy film Promenade Theatre Orchestra, a former English quartet
Transportation Peace Train Organisation, a campaign group set up in response to the repeated bombing of the Dublin to Belfast railway line Power take-off, one of several methods for taking power from a power source Public Transport Operator
Communication Permeability tuned oscillator, an electronic circuit; see 75A-4 and KWS-1#PTOsc "Please turn over", written at the bottom of a double-sided document; see List of acronyms: P#PT Public Telecommunications Operator, a service provider of telecommunications services such as telephony and data communications access Zoʼé language (ISO 639-3 code: pto)
Other uses Pacific Theatre of Operations (disambiguation) Paid time off, time an employee can draw from to take time off from work Parent teacher organization, organization that consists of parents, teachers and school staff Parietal-temporal-occipital, an area of the brain Patent and Trademark Office (disambiguation), a government office that handles the issuing of both patents and trademarks Peeled tail-on shrimp, in shrimp marketing Permission to officiate, a form of license to undertake ecclesiastical duties within the Church of England Proof-theoretic ordinal, an ordinal assigned to mathematical theories to measure their strength
See also