Jaap may refer to:
*
Jaap Sahib, Sikh prayer
*
Jaap (given name) Jaap is a Dutch given name that is short for Jacob or Jacobus (Jacob or James in English). People with this name include:
Academics
* Jaap R. Bruijn (born 1938), Dutch maritime historian
*Jaap Doek (born 1942), Dutch jurist
*Jaap van Ginneken (b ...
, Dutch given name (short for "Jacob")
* Jaap, protagonist in the Dutch version of
''Bobo'' (Belgian comic)
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