Yes. Lockout tagout padlocks can either be keyed differently or keyed alike. When padlocks are keyed differently, this means that each padlock in a set comes with a unique key. However, when padlocks in a set are keyed alike, this means that they can all be unlocked by the same key.
Padlocks that are keyed differently are best used when multiple employees are deployed to lockout multiple pieces of equipment. Padlocks that are keyed alike, meanwhile, are best used when one employee is deployed to lockout multiple pieces of equipment.