PEO

PEO may stand for:

Parking enforcement officer, an official who issues parking tickets
Plasma electrolytic oxidation, a surface-treatment process for metals
Polyethylene oxide, alternate name for Polyethylene glycol, a polymer
Old Persian, ISO 639-2 and ISO 639-3 language code peo
Pancyprian Federation of Labour, an umbrella organization for trade unions in Cyprus ({{langx|el|Παγκύπρια Εργατική Ομοσπονδία|links=no}}, {{lang|el-Latn|Pankypria Ergatiki Omospondhia}})
P.E.O. Sisterhood, an international women's organization with headquarters in North America
Professional employer organization, a service provider of outsourced human resource management
Professional Engineers Ontario, professional and regulatory organization for engineers in Ontario, Canada
Program executive officer, an individual, civilian or military, responsible for large scale U.S. military acquisitions
Programs Evaluation Office, a covert U.S. paramilitary mission in Laos in 1955-1962
Progressive external ophthalmoplegia, alternate term for chronic progressive external ophthalmoplegia, an eye disorder

See also