Ritwik, Ritwick, Rithvik or Ritvik may refer to
*
Ritwik (given name)
*
Ritwik (theatre group), a Bengali theatre group
*''
Kattappanayile Rithwik Roshan'', a 2016 Indian Malayalam-language film
*
Ritvik Holdings, a Canadian children's toy company
**
Kirkbi AG v Ritvik Holdings Inc
''Kirkbi AG v. Ritvik Holdings Inc.'', popularly known as the Lego Case, is a decision of the Supreme Court of Canada. The Court upheld the constitutionality of section 7(b) of the ''Trade-marks Act'' which prohibits the use of confusing marks, as ...
, a 2005 decision of the Supreme Court of Canada
{{disambiguation