| Abbreviation | Definition |
|---|---|
| KSR | Kentucky Sports Radio |
| KSSL | Kentucky Select Soccer League |
| KSU | Kick Stands Up |
| KSYS | Kansas State Youth Soccer |
| KSYSA | Kansas State Youth Soccer Association |
| KTF | Korea Team Fighting |
| KTK | Kochi Tuskers Kerala |
| KTM | Kickstart Ten Minutes |
| KXIP | Kings XI Punjab Cricket |
| KYS | Knox Youth Sports |
| KYSA | Kentucky Youth Soccer Association |
| L | League |
| L | Lightweight |
| L | Loss |
| LAAC | Los Angeles Athletic Club |
| LAC | Lake Athletic Conference |
| LAC | Los Angeles Clippers |
| LACSC | Los Angeles Council of Ski Clubs |
| LAD | Los Angeles Dodgers |
| LAFC | Los Angeles Football Club |