JAV or Jav may refer to:

• Ilulissat Airport, in Greenland
• Japanese Adult Video
• Javanese language
• Javier (name)
• Jordan Aviation
• , the German Youth and Trainees Council
• Sándor Jávorka (1883–1961), Hungarian botanist
• Yav or Jav, the material world in Eastern Slavic mythology

Sándor Jávorka (12 March 1883 - 28 September 1961) was a Hungarian botanist. His birthplace was Hegybánya, then in the Kingdom of Hungary, now in Slovakia and now called Štiavnické Bane. He died in Budapest. Occasionally he has been referred to as Alexander Jávorka; the Hungarian style of his name is Jávorka Sándor.

JAV or Jav may refer to:

• Ilulissat Airport, in Greenland
• Japanese Adult Video
• Javanese language
• Javier (name)
• Jordan Aviation
• , the German Youth and Trainees Council
• Sándor Jávorka (1883–1961), Hungarian botanist
• Yav or Jav, the material world in Eastern Slavic mythology

Sándor Jávorka (12 March 1883 - 28 September 1961) was a Hungarian botanist. His birthplace was Hegybánya, then in the Kingdom of Hungary, now in Slovakia and now called Štiavnické Bane. He died in Budapest. Occasionally he has been referred to as Alexander Jávorka; the Hungarian style of his name is Jávorka Sándor.