Thammudu or Tammudu (Telugu: తమ్ముడు) is a Telugu word meaning younger brother, and may refer to:
Chitti Tammudu, a 1962 Telugu film Bhale Thammudu, a 1969 Telugu film Naa Thammudu, a 1971 Telugu film Thammudu, a 1999 Telugu film Thammudu, a 2025 Telugu film