KCSY

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

{{Infobox radio station

| name = KCSY

| logo =

| city = Twisp, Washington

| area =

| branding = Sunny FM

| frequency = 106.3 MHz

| translator = {{Radio Relay|93.9|K230AX|Wenatchee Etc.}}
{{Radio Relay|95.3|K237AW|Chelan}}
{{Radio Relay|98.1|K251AZ|Malaga}}
{{Radio Relay|101.3|K267AX|Brewster}}
{{Radio Relay|101.9|K270AU|Omak}}
{{Radio Relay|107.7|K299AY|Brewster}}

| airdate = June 1993 (as KVLR)

| format = Oldies

| language =

| erp = 220 watts

| haat = 499 meters

| class = A

| facility_id = 41319

| coordinates =

| callsign_meaning = K C SunnY

| former_callsigns = KDTP (1992–1993)
KVLR (1993–2006)

| affiliations = Wenatchee AppleSox

| owner = Resort Radio, LLC.

| licensee = Resort Radio, LLC.

| sister_stations =

| webcast = [http://www.kcsyfm.com/wp-content/uploads/2022/02/popup-player.html Listen Live]

| website = [http://kcsyfm.com/ kcsyfm.com]

| licensing_authority= FCC

}}

KCSY (106.3 FM, "Sunny FM") is a radio station broadcasting out of Twisp, Washington.