Hide sponsors with less than 10 entries
Include non-championship races
| No | Sponsor | Races | Active Years |
|---|
| 1253 | K Swiss | 7 |
2022–2023 |
| 1254 | K-swiss | 69 |
2023–2025 |
| 1255 | K-Way | 22 |
2022 |
| 1256 | Kärcher Cleaning Systems | 53 |
2003–2005 |
| 1257 | Kaeser Kompressoren | 53 |
2003–2005 |
| 1258 | Kaiser | 27 |
1995–1996 |
| 1259 | Kangaroo TV | 63 |
2007–2010 |
| 1260 | Kanyan Capital | 14 |
2008 |
| 1261 | KAPPA | 12 |
2023 |
| 1262 | Kappa | 115 |
2010–2011, 2018, 2022–2024 |
| 1263 | Karnten | 19 |
2005 |
| 1264 | Kaspersky | 49 |
2010–2012 |
| 1265 | Kaspersky Lab | 231 |
2013–2024 |
| 1266 | Kaust | 69 |
2023–2025 |
| 1267 | KAUST | 87 |
2019–2023, 2026 |
| 1268 | KDDI | 123 |
2003–2009 |
| 1269 | Keco | 69 |
2023–2025 |
| 1270 | Keeper | 23 |
2024 |
| 1271 | Keeper Security | 28 |
2025–2026 |
| 1272 | Keihin | 50 |
1998, 2000–2001 |
| 1273 | Kelémata | 63 |
1983–1986 |
| 1274 | Kemppi | 111 |
2007–2009, 2012–2015 |
| 1275 | Kennametal Hertel | 12 |
2002 |
| 1276 | Kenwood | 421 |
1996–1998, 2000–2019 |
| 1277 | KH-7 | 20 |
2012 |
| 1278 | Kibon | 49 |
1996–1998 |
| 1279 | Kick | 48 |
2024–2025 |
| 1280 | KICK | 11 |
2023 |
| 1281 | Kick Out Plastic | 11 |
2023 |
| 1282 | Kickers | 82 |
1995–1999 |
| 1283 | Kimoa | 37 |
2018–2019 |
| 1284 | Kingdom of Bahrain | 37 |
2004–2005 |
| 1285 | Kingdragon | 33 |
1997–1998 |
| 1286 | Kingfisher | 44 |
2015–2017 |
| 1287 | Kingfisher Airlines | 129 |
2007–2010, 2012–2014 |
| 1288 | Kingfisher Premium Lager Beer | 33 |
1996–1997 |
| 1289 | Kinotrope | 21 |
2007–2008 |
| 1290 | KL | 17 |
2002 |
| 1291 | Klauke | 155 |
1999–2007 |
| 1292 | Klipsch | 62 |
2019–2022 |
| 1293 | Komatsu | 181 |
1991–1994, 1996–1999, 2024–2026 |
| 1294 | Komet | 33 |
1997–1998 |
| 1295 | Konecranes | 21 |
2019 |
| 1296 | Koni | 440 |
1974, 1976–1979, 1981–1982, 1985–1986, 1989, 1996–1998, 2002–2005, 2007–2011, 2014–2018 |
| 1297 | Korean Air | 104 |
1995–2001 |
| 1298 | KPMG | 41 |
2014–2016 |
| 1299 | Kraken | 72 |
2023–2026 |
| 1300 | Kremlyovskaya Vodka | 16 |
1996 |
| 1301 | Kronenbourg | 16 |
1994 |
| 1302 | Krown | 4 |
2026 |
| 1303 | KTC | 140 |
2002–2009 |
| 1304 | KWAY | 12 |
2023 |
| 1305 | Kway | 34 |
2023–2024 |
| 1306 | KX | 61 |
2020, 2022–2023 |
| 1307 | KX Systems | 48 |
2021–2023 |
| 1308 | Kyocera Document Solutions | 15 |
2012 |
| 1309 | Kyowa Electronic Instruments Co. | 27 |
2007–2008 |
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