9 appearances across 4 titles
| Actor | Firearm | Notes |
|---|---|---|
| Tony Shalhoub | Beretta 92FS | Under the fictional name "Lane & Westen" / "Mr. Monk and the Candidate", "Mr. Monk Is On The Run, Part I", "Mr. Monk and the Badge", "Mr. Monk and the End, Part II" |
| Tony Shalhoub | Walther PPK | "Mr. Monk Makes a Friend" |
| Tony Shalhoub | Smith & Wesson 3913 | "Mr. Monk Can't See A Thing" |
| Tony Shalhoub | Walther PPK/S | Carried in an ankle holster / "Mr. Monk Is Someone Else" |
| Actor | Firearm | Notes |
|---|---|---|
| Tony Shalhoub | Smith & Wesson Model 36 | Pearl grips / "Mr. Monk and the Man Who Shot Santa Claus" |
| Actor | Firearm | Notes |
|---|---|---|
| Tony Shalhoub | Ruger Model 77 | Silver finish, black synthetic stock; "Mr. Monk and the Employee of the Month" (S3E07) |
| Tony Shalhoub | Walther P38 | water pistol, "Mr. Monk Takes His Medicine" |
| Tony Shalhoub | RGD-5 hand grenade | water pistol, "Mr. Monk and the Election" |
| Actor | Firearm | Notes |
|---|---|---|
| Tony Shalhoub | Smith & Wesson 6906 | "Mr. Monk's Favorite Show" |