Raja is an Indian term for a monarch, or princely ruler.

Raja may also refer to:

• Raja (elephant) (died 1988), a Sri Lankan tusker elephant belonging to Sri Dalada Maligawa
• Heiyantuduwa Raja (1924–2002), a privately owned Sri Lankan tusker elephant whose skeleton is now in display at the National Museum, Sri Lanka

• Raja (1943 film), an Indian Hindi-language film Kishore Sahu
• Raja (1972 film), an Indian Tamil-language film starring Sivaji Ganesan
• Raaja, a 1975 Indian Hindi-language film starring Rishi Kapoor
• Raja (1995 film), an Indian Hindi-language film starring Sanjay Kapoor
• Raja (1999 Indian film), an Indian Telugu-language film starring Venkatesh
• Raja (2002 film), an Indian Tamil-language film starring Ajith Kumar
• Raja (2003 film), a French/Moroccan film starring Pascal Greggory
• Raja 420 (2016 film), a Bangladeshi film starring Shakib Khan
• Raja (2019 film), an Indian Bhojpuri-language film starring Pawan Singh
• Raja (album), a 2008 album by Stam1na
• Raja (play), a 1910 play by Rabindranath Tagore

• Raja, Jõgeva County, village in Kasepää Parish, Jõgeva County, Estonia
• Raja, Viljandi County, village in Halliste Parish, Viljandi County, Estonia
• Raga, South Sudan, also known as Raja, town and capital of Lol State
• Raga County, also known as Raja, in Western Bahr el Ghazal, South Sudan

• Raja (name), a list of people with the given name and surname
• Raja (Tamil actor) (born 1965), an Indian film actor
• Raja (Telugu actor) (born 1978), an Indian film actor
• Raja Gemini (born 1974), American drag queen

• El Raja SC, an Egyptian sports club
• Raja Casablanca, a Moroccan sports club

• Rāja yoga, one of the four major yogic paths of Hinduism
• Raja (fish), a genus of rays
• Raja (festival), an annual event in Odisha, India
• Rajas con crema, a Mexican ingredient of chiles and onions, used in many dishes
• The raja, a piece in the board game chaturanga

• All pages with titles containing Raja
• Rai (surname)
• Raj (disambiguation)
• Rajah (disambiguation)
• Rajan (disambiguation)
• Raju (disambiguation)
• Rana (disambiguation)
• Rajasthan (disambiguation)
• Maharaja (disambiguation), title for Indian monarchs
• Rani (disambiguation), feminine counterpart of the title
• Arasu (disambiguation), alternative form of the title in some Indian languages
• Raja Rani (disambiguation)
• Rajas, a concept in Indian philosophy
• Rajiv, an Indian name
• Rajput, an Indian caste grouping
• Radja, an Indonesian rock band