KKNX

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

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

{{Infobox radio station

| name = KKNX

| logo = KKNX Radio84 logo.jpg

| logo_size = 100px

| city = Eugene, Oregon

| area = Eugene–Springfield and vicinity

| branding = Radio 84 and FM 105.1

| frequency = 840 kHz

| translator = 105.1 K286CJ (Eugene)

| airdate = 1992 (as KDBS)

| format = Classic hits

| power = 1,000 watts day
170 watts night

| class = D

| facility_id = 5390

| coordinates = {{nowrap|{{coord|44|04|54|N|123|06|34|W|display=inline,title}}}}{{cite web|title=Radio locator: Eugene, Oregon|url=http://radio-locator.com/cgi-bin/finder?sr=Y&s=C&call=KKNX&x=14&y=2|publisher=Theodric Technologies LLC|year=2012|accessdate=March 10, 2012}}

| callsign_meaning =

| former_callsigns = KZTZ (8/1991-12/1991, CP)
KDBS (1991–1995)
KOOK (1995–1996)

| owner = Willamette Media Group

| webcast = [https://tunein.com/radio/Radio-84-1051-s278510/ Listen Live]

| website = [http://www.radio84.com/ radio84.com]

| licensing_authority= FCC

}}

KKNX (840 AM) is a classic hits radio station broadcasting to the Eugene, Oregon, area on 840 AM.

840 AM is a United States clear-channel frequency, on which WHAS in Louisville, Kentucky is the dominant Class A station. KKNX must reduce nighttime power to protect the skywave signal of WHAS.