Jayadev, Jayadeva, Jaydev, Jaidev, or Jayadeb may refer to:

• Jaidev (film), 1998 Indian Kannada-language film directed by H. Vasu
• Jayadeb, a 1962 Indian Odia-language film by Byomkesh Tripathy about Jayadeva
• Jayadev (film), a 2017 Indian Telugu-language film by Jayanth C. Paranjee

• Jayadev (Odisha Vidhan Sabha constituency), in Khordha district, Odisha, India
• Jaydev Kenduli, a village in Birbhum district, West Bengal, India, one of the purported birthplaces of Jayadeva

• Jaidev (1918–1987), Indian film music composer
• Jaidev Kapoor (1908–1994), Indian revolutionary
• Jaidev Kumar, Indian musician
• Jaidev Rai, governor of Brahmachal under the Twipra Kingdom of India

• Jayadeva (born c. 1170), an Indian Hindu (Vaishnava) poet in Sanskrit from medieval India, best known for the Gita Govinda
• Jaideva Singh (1893–1986), Indian musicologist

• Jayadev Misra, Indian-American computer scientist
• Jayadev Mohan, Indian actor and director
• Galla Jayadev, Indian politician and industrialist
• Raj Jayadev (born 1975), Indian-American community organiser and criminal justice advocate
• Sheila Jayadev, Australian executive producer on 2024 TV series Critical Incident

• Jaydev Shah, Indian cricketer
• Jaydev Unadkat, Indian cricketer

• Jaidev or Jai (Sholay), a fictional character portrayed by Amitabh Bachchan in the classic 1975 Indian film Sholay
• Jaidev, a fictional horror character created by Indian writer Narayan Dharap

• All pages with titles containing Jayadeva
• All pages with titles containing Jaydev
• All pages with titles containing Jaidev
• Kavi Joydev, a 1941 Indian Bengali-language film about Jayadeva by Jiben Bose
• Sri Jayadev College of Pharmaceutical Sciences, Bhubaneswar, Khordha district, Odisha, India
• Sri Jayadeva Institute of Cardiovascular Sciences and Research, Karnataka, India
• Jayadevan's system, score recalculation method in cricket
• Jayadevan Chakkadath, Indian film sound recordist and designer