Quick answer
Raj is a boy name meaning "empire, royalty".
Meaning and history
The name means "empire, royalty", from Sanskrit राज्य ( rājya ).
Notes and context
Usage: hindi, marathi, bengali, punjabi, gujarati, tamil, telugu, kannada, malayalam, nepali | Hindi: राज; Bengali: রাজ; Gurmukhi: ਰਾਜ; Gujarati: રાજ; Tamil: ராஜ்; Telugu: రాజ్; Kannada: ರಾಜ್; Malayalam: രാജ്