RANS or Rans may refer to:
Places Rans, Jura, a commune in eastern France Rans, a parish in the municipality of Penafiel, northern Portugal
Algorithms rANS, an entropy coding technique Reynolds-averaged Navier–Stokes equations
Others RANS Cilegon F.C., an Indonesian football club Rans Designs, an aircraft, sail trike, land yacht and bicycle manufacturer, usually styled as "RANS" by the company Rans Rifol (born 2001), Filipino singer and actress