Ria or RIA may refer to: Ria, a landform, often referred to as a drowned river valley. Ria (given name), a short form of Maria. Media. Astro Ria Malaysian pay-TV channel 104. Ria 89.7FM, a Singaporean radio station. RIA Novosti, Russian state news agency. RIA, formerly Research Institute of America, an American publisher on tax and regulatory matters owned by Thomson Reuters. Sciences. Radioimmunoassay. Rare Isotope Accelerator. Research into Ageing. Technology. RateItAll, a review website. Rich Internet Application. Robotic Industries Association. Rock Island Armory.
https://en.wikipedia.org/wiki/RIA