Hide sponsors with less than 10 entries
Include non-championship races
| No | Sponsor | Races | Active Years |
|---|
| 1199 | K Swiss | 7 |
2022–2023 |
| 1200 | K-swiss | 52 |
2023–2025 |
| 1201 | K-Way | 22 |
2022 |
| 1202 | Kärcher Cleaning Systems | 53 |
2003–2005 |
| 1203 | Kaeser Kompressoren | 53 |
2003–2005 |
| 1204 | Kaiser | 27 |
1995–1996 |
| 1205 | Kangaroo TV | 63 |
2007–2010 |
| 1206 | Kanyan Capital | 14 |
2008 |
| 1207 | KAPPA | 12 |
2023 |
| 1208 | Kappa | 115 |
2010–2011, 2018, 2022–2024 |
| 1209 | Karnten | 19 |
2005 |
| 1210 | Kaspersky | 49 |
2010–2012 |
| 1211 | Kaspersky Lab | 231 |
2013–2024 |
| 1212 | Kaust | 52 |
2023–2025 |
| 1213 | KAUST | 83 |
2019–2023 |
| 1214 | KDDI | 123 |
2003–2009 |
| 1215 | Keco | 52 |
2023–2025 |
| 1216 | Keeper | 23 |
2024 |
| 1217 | Keeper Security | 7 |
2025 |
| 1218 | Keihin | 50 |
1998, 2000–2001 |
| 1219 | Kelémata | 63 |
1983–1986 |
| 1220 | Kemppi | 111 |
2007–2009, 2012–2015 |
| 1221 | Kennametal Hertel | 12 |
2002 |
| 1222 | Kenwood | 421 |
1996–1998, 2000–2019 |
| 1223 | KH-7 | 20 |
2012 |
| 1224 | Kibon | 49 |
1996–1998 |
| 1225 | Kick | 31 |
2024–2025 |
| 1226 | KICK | 11 |
2023 |
| 1227 | Kick Out Plastic | 11 |
2023 |
| 1228 | Kickers | 82 |
1995–1999 |
| 1229 | Kimoa | 37 |
2018–2019 |
| 1230 | Kingdom of Bahrain | 37 |
2004–2005 |
| 1231 | Kingdragon | 33 |
1997–1998 |
| 1232 | Kingfisher | 44 |
2015–2017 |
| 1233 | Kingfisher Airlines | 129 |
2007–2010, 2012–2014 |
| 1234 | Kingfisher Premium Lager Beer | 33 |
1996–1997 |
| 1235 | Kinotrope | 21 |
2007–2008 |
| 1236 | KL | 17 |
2002 |
| 1237 | Klauke | 155 |
1999–2007 |
| 1238 | Klipsch | 62 |
2019–2022 |
| 1239 | Komatsu | 160 |
1991–1994, 1996–1999, 2024–2025 |
| 1240 | Komet | 33 |
1997–1998 |
| 1241 | Konecranes | 21 |
2019 |
| 1242 | Koni | 440 |
1974, 1976–1979, 1981–1982, 1985–1986, 1989, 1996–1998, 2002–2005, 2007–2011, 2014–2018 |
| 1243 | Korean Air | 104 |
1995–2001 |
| 1244 | KPMG | 41 |
2014–2016 |
| 1245 | Kraken | 51 |
2023–2025 |
| 1246 | Kremlyovskaya Vodka | 16 |
1996 |
| 1247 | Kronenbourg | 16 |
1994 |
| 1248 | KTC | 140 |
2002–2009 |
| 1249 | KWAY | 12 |
2023 |
| 1250 | Kway | 34 |
2023–2024 |
| 1251 | KX | 61 |
2020, 2022–2023 |
| 1252 | KX Systems | 48 |
2021–2023 |
| 1253 | Kyocera Document Solutions | 15 |
2012 |
| 1254 | Kyowa Electronic Instruments Co. | 27 |
2007–2008 |
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