Alain may refer to:

  • Alain (name), both a surname and common given name
  • 1969 Alain (1935 CG), a Main-belt Asteroid discovered in 1935
  • Alain, Iran, a village in Tehran Province, Iran
  • Al Ain International Airport in the United Arab Emirates
  • Alain Afflelou, French retail chain specializing in optical services and sales of the Alain Afflelou brand of eyewear
  • Alain (crab), Pinnotheridae genus
  • Alain Van Kerckhoven Editeur, classical music publishing company based in Brussels, Belgium
  • Émile Chartier (1868–1951), French philosopher and antimilitarist commonly known as Alain
  • Prix Alain-Grandbois or Alain Grandbois Prize is awarded each year to an author for a book of poetry
  • Rosa 'Alain', popular red floribunda rose variety
  • Val-Alain, Quebec, village of 950 people in Quebec, Canada