| KSFT-FM | |
| City: | South Sioux City, Nebraska |
| Area: | Sioux City, Iowa |
| Branding: | 107-1 KISS FM |
| Airdate: | 1996 |
| Frequency: | 107.1 MHz |
| Format: | Top 40 (CHR) |
| Licensing Authority: | FCC |
| Facility Id: | 10776 |
| Erp: | 2,300 watts |
| Haat: | 99 meters |
| Class: | A |
| Callsign Meaning: | SofT 107 (former branding) |
| Owner: | iHeartMedia, Inc. |
| Licensee: | iHM Licenses, LLC |
| Sister Stations: | KGLI, KMNS, KSEZ, KWSL |
| Webcast: | Listen Live |
| Website: | 1071kissfm.iheart.com |
| Affiliations: | Premiere Networks |
KSFT-FM (107.1 MHz) - branded as "107.1 KISS FM" - is a radio station broadcasting a Top 40 (CHR) format. Licensed to the suburb of South Sioux City, Nebraska, the station serves Sioux City, Iowa. The station is currently owned by iHeartMedia, Inc.
KSFT-FM signed on with an adult contemporary (AC) format as "Soft 107" in 1996. The station remained an AC station until switching to Top 40 on March 13, 2006 when co-owned Top 40 KGLI "KG95" tweaked to hot adult contemporary.