Rona or RONA may refer to
- Places
- North Rona, a Scottish island in the North Atlantic
- South Rona, a Scottish island in the Inner Hebrides
- Rona, Switzerland
- Tinizong-Rona, Swiss municipality
- Rona, Latvia
- Rona, a village in Jibou town, Sălaj County, Romania
- Rona, a peninsula/island of the Isle of May in Scotland
- Rona, Bellevue Hill, a historic house in the Sydney suburb of Bellevue Hill
- People
- Rona (tribe) one of the scheduled castes and scheduled tribes of India.
- Rona Ambrose (b. 1969), a Conservative Member of Parliament in the Canadian House of Commons and cabinet minister
- Rona Anderson (b. 1928), a Scottish stage, film, and television actress
- Rona Barrett (b.1936), an American gossip columnist and businesswoman
- Rona Mitra (b.1975), an English actress, model and singer
- Rona Munro (b. 1959), a Scottish writer
- Rona Murray (b. 1986), a Canadian poet
- Rona Nishliu (b. 1986), a Kosovo-Albanian singer and radio presenter
- Rona Pondick (b. 1952), an American sculptor
- Aliye Rona (b. 1921), a Turkish film actress
- Jaroslav Róna (b. 1957), a Czech sculptor, painter, actor, educator, and writer
- Jeff Rona (b. 1957), American film composer
- Thomas P. Rona (b. 1923), a 1980's era science adviser to the Defense Department and the White House under Presidents Reagan and Bush
- András Róna-Tas (b. 1924), a Hungarian historian and linguist
- Rona Rupert (b. 1934), a South African author
- Rona Stevenson (b. 1911), a New Zealand politician of the National Party
- In fiction and mythology
- Rona, a fictional character in the Japanese anime series Ojamajo Doremi
- Rona, a minor character on the American television program Buffy the Vampire Slayer
- Rona, a legendary Maori woman who cursed the moon. Her legend is intertwined with that of the Myoporum laetum tree
- Weather
- Cyclone Rona - A destructive cyclone that hit Queensland, Australia in February 1999
- Other uses
- Rona a racing yacht built in 1892 in New Zealand, named after the Rona of Maori legend
- Rona (company), a Canadian hardware and home improvement retailer
- S.S. Sturmbrigade R.O.N.A., a Russian military formation which fought for the Nazis in World War II
- Return on net assets, a measure of a company's financial performance which takes the use of assets into account