A padlock is a simple detachable lock with a hinged or sliding shackle.

Padlock may also refer to:

• The Padlock, a comic opera by Isaac Bickerstaffe and Charles Dibdin
• "Padlock", a 1985 EP by Gwen Guthrie
• VIA PadLock, the name of a security co-processor by VIA Technologies integrated in some of their CPUs

• Max Riddington
• Max ride
• Max Riemelt
• Max Roach + 4
• Max Roach + four
• Max Robert
• Max Robertson
• Max Robitzsch
• Max Rockatansky
• Max Rodrigues
• Max Romeo
• Max Rooke
• Max Rooses
• Max Roqueta
• Max Rubin
• Max Rubner
• Max Rudolf Lemberg
• Max Rudolf (rower)
• Max Runager
• Max Russo
• Max Rüegg
• Max's
• Max Saenger
• Max Sailer
• Maxsain