Places

• Rea, Italy
• Rea, Missouri, United States
• River Rea, a river in Birmingham, England
• River Rea, Shropshire, a river in Shropshire, England

People

• Baron Rea
• Walter Russell Rea, 1st Baron Rea (1873-1948)
• Philip Russell Rea, 2nd Baron Rea (1900-1981)
• (John) Nicolas Rea, 3rd Baron Rea (b. 1928)
• Chris Rea (born 4 March 1951) — a singer-songwriter from Middlesbrough, England
• George Rea — Banker and former president of Drexel University
• Herald Rea Cox — American bacteriologist
• Jackie Rea — snooker player from Northern Ireland
• James Rea Benson (1807-1885) — member of the Canadian senate
• Joe Rea — Northern Irish actor
• John Rea — Scottish snooker player
• John Rea (musician) — Hammered dulcimer player
• John Rea (politician) (1755-1829)- Pennsylvania politician
• Paul Rea — television Reporter in Savannah, Georgia, United States
• Peggy Rea — actress
• Rea Tajiri — Japanese American filmmaker
• Rea Wilmshurst — author
• Silvia Dimitrova Rea — painter
• Stephen Rea — cofounder of Field Day Theatre Company
• Tony Rea — member of the board of Harlequins Rugby League
• William Rea (ironmaster) — who lived in Monmouth (now in Wales) in the early 18th century
• William Rea (real estate magnate) (1912–2006) of Pittsburgh, Pennsylvania

Fictional Characters

• Princess Rea, character in Friedrich Dürrenmatt's play Romulus der Große (Romulus the Great, 1950)
• is a fictional character in the Tenchi Muyo! series and is only a character in the OVA continuity
• T'Rea, a Vulcan priestess on Star Trek, whose child is named Sybok
• Rhea Silvia (also written as Rea Silvia), and also known as Ilia, was the mythical mother of the twins Romulus and Remus, who founded the city of Rome

Acronym for

• Rules Enabling Act
• Rural Electrification Administration, now the Rural Utilities Service
• Plekhanov Russian Academy of Economics
• Railway Express Agency
• Ralph Engelstad Arena
• Rapid Environmental Assessment
• Resident Evil: Apocalypse
• Resources, Events, Agents

Other

• Mens rea - legal term, Latin for "guilty mind"
• Rea Award for the Short Story is an annual award given to an American author chosen for unusually significant contributions to American short story fiction
• Rhea (bird) - rea is sometimes seen as a misspelling of the bird species rhea