KLDJ

{{for|the airport with ICAO code KLDJ|Linden Airport}}

{{Use American English|date=February 2025}}

{{Use mdy dates|date=January 2025}}

{{Infobox radio station

| name = KLDJ

| logo = KOOL1017KLDJ.png

| city = Duluth, Minnesota

| area = Duluth-Superior

| branding = Kool 101.7

| airdate = {{start date|1991}} (as KVNW)

| frequency = 101.7 MHz

| format = Classic hits

| erp = 18,500 watts

| haat = {{convert|251|m|ft|0|abbr=on}}

| 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 = [http://kool1017.com/listen-live/ Listen Live]

| website = [https://www.kool1017.com/ 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)