Kasar may refer to:
Qasar, a brother of Genghis Khan
Kaşar, a type of cheese
Kasar, Çine, a village in Turkey
Jarek Kasar (born 1983), Estonian singer
Karin Kasar, member of the German music band Real McCoy
Kudret Kasar (1914–2003), Turkish equestrian
Kasar Devi, village in Almora, Uttarakhand, India
Kasar Amboli, village in Pune, Maharashtra, India
Kasar Vadavali, neighborhood of Thane, Maharashtra, India
Kasar Block, sub-division in Sheikhpura, Bihar, India including Karimabigha
Mohammad Ajmal Amir Kasar or Ajmal Kasab, Pakistani militant, member of Lashkar-e-Taiba
Twashta Kasar, or Kasar, a Hindu artisan caste in the Indian states of Maharashtra and Goa
