| Name | Family | Manufacturer | Maiden Flight Date | Active | Reusable | Launch Count | Length (m) | Max Diameter (m) | LEO Capacity (kg) | GTO Capacity (kg) | Thrust at Liftoff (kN) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Kaituozhe-1 | Kaituozhe | China Aerospace Science and Industry Corporation | 09/15/2001 | ✘ | ✘ | 3 | 18.0 | 2.0 | 100.0 | — | — |
| Kinetica 1 | CAS Space | 07/27/2022 | ✔ | ✘ | 11 | 30.0 | 2.65 | 2000.0 | — | 1961.0 | |
| Kinetica 2 | CAS Space | — | ✔ | ✔ | 0 | 52.0 | 3.35 | 12000.0 | — | 7515.0 | |
| Kosmos 11K63 | Kosmos | Strategic Rocket Forces | 05/24/1966 | ✘ | ✘ | 126 | 31.0 | 1.6 | 300.0 | — | — |
| Kosmos 11K65 | Kosmos | Strategic Rocket Forces | 11/16/1966 | ✘ | ✘ | 4 | 26.0 | 2.4 | 1400.0 | — | — |
| Kosmos-2I 63S1 | Kosmos | Strategic Rocket Forces | 10/27/1961 | ✘ | ✘ | 38 | 31.0 | 1.6 | 300.0 | — | — |
| Kosmos-3M | Kosmos | Russian Space Forces | 05/15/1967 | ✘ | ✘ | 445 | — | — | — | — | — |
| Kosmos 65S3 | Kosmos | Strategic Rocket Forces | 08/18/1964 | ✘ | ✘ | 8 | 26.0 | 2.4 | 1400.0 | — | — |
| KSLV 2 TLV | KSLV | Korea Aerospace Research Institute | 11/28/2018 | ✘ | ✘ | 1 | — | — | — | — | — |
| Kuaizhou | Kuaizhou | China Aerospace Science and Industry Corporation | 09/25/2013 | ✘ | ✘ | 2 | 11.0 | 1.4 | 0.0 | 0.0 | — |
| Kuaizhou 11 | Kuaizhou | ExPace | 07/10/2020 | ✔ | ✘ | 4 | — | 2.2 | 1000.0 | — | — |
| Kuaizhou 1A | Kuaizhou | ExPace | 01/09/2017 | ✔ | ✘ | 31 | 19.4 | 1.4 | 300.0 | — | — |
| Kwangmyongsong | Korean Committee of Space Technology | 02/07/2016 | ✘ | ✘ | 0 | — | — | — | — | — | |
| Lambda 4S | Institute of Space and Astronautical Science | 09/26/1966 | ✘ | ✘ | 5 | 16.5 | 0.74 | 26.0 | — | — | |
| LauncherOne | Virgin Orbit | 05/25/2020 | ✘ | ✘ | 6 | 16.0 | 1.6 | 500.0 | — | 327.0 | |
| Little Joe | Little Joe | North American Aviation | 08/21/1959 | ✘ | ✘ | 8 | 17.0 | — | — | — | — |
| Little Joe II | Little Joe | Convair | 08/28/1963 | ✘ | ✘ | 5 | 26.2 | 3.9 | — | — | — |
| Long March | Long March | China Aerospace Science and Technology Corporation | — | ✔ | ✘ | 0 | — | — | — | — | — |
| Long March 1 | Long March, Long March 1 | China Aerospace Science and Technology Corporation | 04/24/1970 | ✘ | ✘ | 2 | — | — | — | — | — |
| Long March 10 | Long March, Long March 10 | China Aerospace Science and Technology Corporation | — | ✔ | ✘ | 0 | 92.5 | 5.0 | 70000.0 | — | 26250.0 |
| Long March 10A | Long March, Long March 10 | China Aerospace Science and Technology Corporation | — | ✔ | ✔ | 0 | 67.4 | 5.0 | 18000.0 | — | 8750.0 |
| Long March 11 | Long March, Long March 11 | China Aerospace Science and Technology Corporation | 09/25/2015 | ✔ | ✘ | 18 | 20.0 | 2.0 | 500.0 | 0.0 | 1177.0 |
| Long March 12 | Long March, Long March 12 | China Aerospace Science and Technology Corporation | 11/30/2024 | ✔ | ✘ | 4 | 62.0 | 3.8 | 12000.0 | — | 5000.0 |
| Long March 12A | Long March, Long March 12 | China Aerospace Science and Technology Corporation | — | ✔ | ✔ | 0 | 69.0 | 3.8 | 12000.0 | — | 5250.0 |
| Long March 2A | Long March, Long March 2 | China Aerospace Science and Technology Corporation | 11/05/1974 | ✘ | ✘ | 4 | 31.17 | 3.35 | 1800.0 | — | 2786.0 |