Rajkumar or Raj Kumar may refer to:

Look up Rajkumar in Wiktionary, the free dictionary.

• non-ruling princely title for a son (sometimes more kin) of a Raja or equivalent royal prince in Southern Asia

• Raaj Kumar (1926–1996), Indian actor in Hindi films
• Dr. Rajkumar (1929–2006), Indian actor in Kannada films
• Rajkumar (Tamil actor), Indian actor in Tamil films
• Raj Kumar (athlete) (born 1962), Indian athlete
• Raj Kumar (badminton) (born 1986), Indian badminton player
• Raj Kumar Shukla (1875–?), Indian indigo cultivator
• Rajkumar Hirani (born 1962), Indian producer and director
• Rajkumar Kohli (born 1930), Indian producer and director
• Rajkummar Rao (born 1984) also known as Raj Kumar, Hindi film actor
• Rajkumar Santoshi, Indian producer and director
• Rajkumar Sethupathi (born 1954), Indian film actor in Malayalam and Tamil movies in the 1980s
• Raj Kumar (professor) (born 1959), Indian professor of neurosurgery
• Rajkumar (politician), Indian politician
• Rajkumar Pori, Indian politician from Uttarakhand
• Raj Kumar, founder of development news organization Devex

• Rajkumar (1964 film), a Bollywood film starring Shammi Kapoor and Sadhana
• Rajkumar (1996 film), a Bollywood film starring Anil Kapoor and Madhuri Dixit
• Rajkumar (2008 film), an Indian Bengali-language film starring Prosenjit Chatterjee and Anu Chowdhury
• R... Rajkumar, a 2013 Bollywood film starring Shahid Kapoor and Sonakshi Sinha
• Raajakumara, a 2017 Indian Kannada-language film starring Puneeth Rajkumar and Priya Anand
• Rajkumar (2024 film), a Bangladeshi film starring Shakib Khan and Courtney Coffey

• Rajakumaran (disambiguation)
• Rajkumari (disambiguation), the female equivalent of Rajkumar
• Maharajkumar, equivalent title for a Maharaja's royal crown prince in India
• Rajesh Kumar (disambiguation)
• Yuvaraja

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