A ria is a landform.

Ria or RIA may refer to:

People

• Ria (given name), a list of people

• Ria (singer), New Zealand 21st century singer

Business

Media

• Astro Ria, Malaysian pay-TV channel 104

• Ria 89.7FM, a Singaporean radio station

• RIA Novosti, a Russian state domestic news agency

• RIA, formerly Research Institute of America, an American publisher on tax and regulatory matters owned by Thomson Reuters

Other business uses

• RIA (restaurant), Chicago

• Ria Money Transfer, a remittances operator based in California

• Rock Island Armory, a former American military surplus and firearms seller

• Registered investment advisor, United States

Military

• Royal Irish Artillery, an Irish regiment of the British army

• Royal Italian Army, the army of the Kingdom of Italy

• Rock Island Arsenal, army base on the Mississippi River

Science

• Radioimmunoassay

• Rare Isotope Accelerator

• Research into Ageing

Technology

• RateItAll, a review website

• Rich Internet Application

• Railway Industry Association, a trade association in the United Kingdom

• Robotic Industries Association

Other uses

• Regulatory impact analysis, a document assessing the impact of a new government regulation

• Royal Irish Academy, an academic body

• IATA code of Santa Maria Airport (Rio Grande do Sul), Brazil

• RIA, station code of Rhoose Cardiff International Airport railway station, Wales

See also

• Riya, a feminine given name

• Rea (disambiguation)

• Rhea (disambiguation)

• R1A (disambiguation)

• Rio (disambiguation)

• Ríos (disambiguation)