Tropocyclops is a genus of copepod crustaceans in the family Cyclopidae. It contains the following species:
- Tropocyclops affinis <small>(G. O. Sars, 1863)</small>
- Tropocyclops bopingi <small>Dumont, 2006</small>
- Tropocyclops breviramus <small>Hsiao, 1950</small>
- Tropocyclops brevis <small>Dussart, 1972</small>
- Tropocyclops brevispinus <small>Shen & Tai, 1962</small>
- Tropocyclops candidiusi <small>(Harada, 1931)</small>
- Tropocyclops chinei <small>Dang, 1967</small>
- Tropocyclops confinis <small>(Kiefer, 1930)</small>
- Tropocyclops extensus <small>Kiefer, 1931</small>
- Tropocyclops federensis <small>Reid, 1991</small>
- Tropocyclops frequens <small>Kiefer, 1931</small>
- Tropocyclops ishidai <small>Lee & Chang, 2007</small>
- Tropocyclops jamaicensis <small>Reid & Janetzky, 1996</small>
- Tropocyclops jerseyensis <small>Kiefer, 1931</small>
- Tropocyclops levequi <small>Dumont, 1981</small>
- Tropocyclops longiabdominalis <small>Shen & Tai, 1962</small>
- Tropocyclops matanoensis <small>Defaye, 2007</small>
- Tropocyclops mellanbyi <small>Onabamiro, 1952</small>
- Tropocyclops miser <small>(Brehm, 1953)</small>
- Tropocyclops nananae <small>Reid, 1991</small>
- Tropocyclops nigroviridis <small>Harada, 1931</small>
- Tropocyclops onabamiroi <small>Lindberg, 1950</small>
- Tropocyclops parvus <small>Kiefer, 1931</small>
- Tropocyclops piscinalis <small>Dussart, 1984</small>
- Tropocyclops polkianus <small>Einsle, 1971</small>
- Tropocyclops prasinus <small>(Fischer, 1860)</small>
- Tropocyclops pseudoparvus <small>Dussart & Fernando, 1986</small>
- Tropocyclops rarus <small>Dussart, 1983</small>
- Tropocyclops schubarti <small>Kiefer, 1935</small>
- Tropocyclops setulifer <small>Lee & Chang, 2007</small>
- Tropocyclops tenellus <small>(G. O. Sars, 1909)</small>
- Tropocyclops varicoides <small>(Brady, 1908)</small>
References