Candu or CANDU may refer to

• CANDU reactor (CANada Deuterium Uranium), a Canadian pressurized heavy water reactor
  • Advanced CANDU reactor
  • CANDU Owners Group
  • Candu Energy Inc., a Canadian organization specializing in the design and supply of nuclear reactors and related products and services
• Andrian Candu (born 1975), a Moldovan politician

• Syarikat Kejuruteraan Kenali Sdn. Bhd.
• Syarikat Takaful
• Syarikat Takaful Malaysia
• Syarikat Takaful Malaysia Berhad
• Syarikat Takaful Malaysia Bhd
• Syarikat Telekom Malaysia
• Syar Industries
• Syarinidae
• Syarin no Kuni
• Syarinus
• Syarinus enhuycki
• Syari’ah
• Syaro
• Syaro Kirima
• Sya Styles
• Syava
• Syawa, India
• Syawal Nordin
• Syazani Puat
• Syazuan Hazani
• Syazwan Andik
• Syazwan Bahari
• Syazwan Buhari
• Syazwan Tajuddin
• Syazwan Tajudin