KIOO

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

{{Infobox radio station

| name = KIOO

| logo = KIOO_99.7.jpg

| logo_size = 200px

| city = Porterville, California

| area = Visalia - Tulare - Hanford

| branding = 99.7 Classic Rock

| frequency = 99.7 MHz

| airdate = {{Start date and age|1972|8|1}}

| format = Classic Rock

| erp = 25,000 watts

| haat = {{convert|214|m|ft|sp=us}}

| class = B

| facility_id = 7708

| coordinates = {{nowrap|{{coord|36|6|26.00|N|119|1|45.00|W|region:US-CA_type:landmark}}}}

| callsign_meaning = K-100 (former branding)

| former_callsigns =

| affiliations = Westwood One

| owner = Momentum Broadcasting LP

| licensee =

| sister_stations = KCRZ, KJUG-FM, KVMI

| webcast = [https://player.amperwave.net/955 Listen Live]

| website = [https://www.997classicrock.com/ 997classicrock.com]

| licensing_authority = FCC

}}

KIOO (99.7 FM) is a commercial radio station licensed to Porterville, California, and serving the Visalia-Tulare-Hanford area of Central California. It airs a classic rock format and is owned and operated by Momentum Broadcasting LP. The studios are on East Mineral King Avenue.

KIOO is a Class B FM station with an effective radiated power (ERP) of 25,000 watts.