Manduk may refer to:

• मण्डूक, manduk (the flower), a word in Hindi to describe the Oroxylum indicum tree
• Manduk, Bangladesh, a place in Chandpur Zl, Chittagong Div (23, 18, 0,N, 91, 0, 0,E)

• Decumates
• Decumates agri
• Decuriae
• Decurion (disambiguation)
• Decurion (military)
• DeCurtins
• De Curtins
• De Cusack
• De Cusack - Ireland
• Decus and tutamen
• Decus et tutamen
• Decussata (butterfly)
• Decussatio
• Decussation of optic nerve fibres
• Decussation of superior cerebellar peduncle
• Decussation of superior cerebellar peduncles
• Decussation of the pyramids
• DEC VT100
• DEC VT102
• DEC VT-180
• DEC VT180
• DECWAR
• DECwriter
• Decyl aldehyde
• Decylcitrate synthase