The tuxedo is a semi-formal evening suit worn with a bow tie, distinguished by satin or grosgrain facings on the jacket's lapels and buttons, with a similar stripe along the outseam of the trousers.
- Vault 114: In the Depot (lock on door is Advanced) when leaving the vault with Nick Valentine. Also worn by Skinny Malone.
- East Boston Preparatory School: First floor, on an ironing board, in the room to the immediate left of the entrance.
- General Atomics galleria: On the shelf in front of the mannequin.
- Ruined skyscraper: Found in the DIA cache during Jackpot missions for P.A.M.