Dollar or dolar is a name for multiple currencies around the world. In a country using a currency named dollar, the word "dollar" (rather than, for example, the correct "Australian dollar") refers to it.

Dollar or Dolar may also refer to:

• English name of the early modern thaler coins
• Dollar coin, coins of various countries
• Dollar sign, or $
• United States dollar, often referred to as simply "dollar" worldwide

• Dollar, Clackmannanshire, a town in Scotland
  • Dollar Academy, a school in Dollar
• Dollar, Alabama, an unincorporated community
• Dollar, Ontario, Canada, a former community
• Dollar Lake (disambiguation), various lakes in the United States
• Dollar Lakes, three glacial tarns in Nevada
• Dollar Glen, Scotland
• Dollar Law, a hill in Scotland
• Dollar Settlement, Michigan, an unincorporated community
• Dólar, municipality in Spain

• Dollar (film), a 1938 film by Gustaf Molander
• Dollars (film), a 1971 motion picture also known as $
  • Dollars (soundtrack)
• The Dollars Trilogy, three films by Sergio Leone
• The Dollar, the original title for Philip Barry's play Holiday
• Dollars, an internet-based anonymous gang in the Durarara!! light novels and anime
• Dollar Comics, a line of DC Comics
• Dollar, the dog owned by Richie Rich
• Dollar (TV series), a Lebanese Arabic-language web television series

• Dollar (group), a pop vocal duo from the UK who had a series of hit records in the late 1970s and 1980s
• The Dollar (album), a 2006 album by country music artist Jamey Johnson
  • "The Dollar" (song), a 2005 single from this album
• "Dollar" (song), a 2019 song by Becky G and Myke Towers

• Dollar Rent A Car, an American car rental firm
• Dollar Bank, a regional bank serving Pennsylvania and Ohio
• Dollar Savings Bank, a defunct bank founded in New York City in 1890
• Dollar Financial Group, a US-based financial services group
• Dollar Steamship Company, established by Robert Dollar

• Dollar (surname)
• Dollar (motorcycle), a French-made motorcycle
• Sand dollar, a close cousin of the sea urchin
• Battle of Dollar, fought in 875 at Dollar, Scotland
• Dollar (reactivity), a term used in nuclear chain reaction kinetics

• $ (disambiguation)
• Dollar store