Soulja or Souljah may refer to:

• Sister Souljah (born 1964), American author, activist, musician, and film producer
• SoulJa (rapper) (born 1983), Japanese rapper from Tokyo
• Soulja Boy (born 1990), American rapper
• Soulja Slim (1977–2003), American rapper

• A bastardization of the word "soldier"
• A compound word, alluding to "soul" and "Jah"

• Soldier (disambiguation)