Steam locomotives with names beginning with Q that have operated in North America:
| Name | Railroad, # | Builder, s/n | Build date | Whyte type | Notes |
|---|---|---|---|---|---|
| Queen Anne | WCRy | Cooke | 11/1863 | 4-2-4T | Ex-1st Buffalo; Ex-CP T. D. Judah; scr 1912. |
| Queen City | Niles 100 | 4-4-0 | |||
| Queretaro | FCCM 5 | Baldwin 5368 | 11/1880 | 4-6-0 | Rn 1902 #401. |
| Quickstep | LC&M 12 | Lawrence | 12/1855 | 4-4-0 | Inside connected; rb 1859; became M&SP #12 in 1863; off roster by 1898. |
| Quickstep | LNA&C 29 | Schen 21 | 10/1852 | 4-4-0 | Ex-Express. |
| Quickstep | MC 74 | 4-4-0 | |||
| Quickstep | R&S | Rogers 340 | 9/1852 | 4-4-0 | Purchased by L. G. B. Cannon for the R&S. |
| (Quickstep) | S&W | Rogers K&G 340 | 1852 | 4-4-0 | Alias for S&W Plattsburgh; became D&H #105. |
| Quigley | L&N | M & Richardson | |||
| Quincy | NCI | Rogers 595 | 8/1855 | 4-4-0 | |
| Quincy | OC | Hinkley | 1846 | ||
| Quinnipiac | H&NH | Rogers 9 | 1/1839 | 4-2-0 |