| KLDJ | |
| City: | Duluth, Minnesota |
| Area: | Duluth-Superior |
| Branding: | Kool 101.7 |
| Airdate: | (as KVNW) |
| Frequency: | 101.7 MHz |
| Format: | Classic hits |
| Erp: | 18,500 watts |
| Haat: | 2510NaN0 |
| Class: | C2 |
| Facility Id: | 53999 |
| Callsign Meaning: | "Kool DJ" |
| Former Callsigns: | KVNW (1991–1993) KLXK (1993–1996) |
| Affiliations: | Compass Media Networks Premiere Networks Westwood One |
| Owner: | Townsquare Media |
| Licensee: | Townsquare License, LLC |
| Sister Stations: | KBMX, KKCB, WEBC, WWPE-FM |
| Webcast: | Listen Live |
| Website: | kool1017.com |
| Licensing Authority: | FCC |
KLDJ (101.7 FM, "Kool 101.7") is a radio station in Duluth, Minnesota, owned by Townsquare Media, airing a classic hits music format.
The studios and offices are with its three other sister stations at 14 E. Central Entrance, on the west side of Duluth. These are KLDJ (Kool 101.7), KKCB (B105), KBMX (Mix 108), and WEBC (Northland Fan)