  The motion of a massive test particle around a Kehagias-Sfetsos black hole in
deformed Ho\u{r}ava-Lifshitz gravity is studied. Employing the effective
potential, the marginally bound orbits and the innermost stable circular orbits
are analyzed. For the marginally bound orbits, their radius and angular
momentum decrease with the parameter $\omega$ of the gravity. For the innermost
stable circular orbits, the energy and angular momentum also decrease with
$\omega$. Based on these results, we investigate the periodic orbits in the
Kehagias-Sfetsos black holes. It is found that the apsidal angle parameter
increases with the particle energy, while decreases with the angular momentum.
Moreover, compared to the Schwarzschild black hole, the periodic orbits in
Kehagias-Sfetsos black holes always have lower energy. These results provide us
a possible way to distinguish the Kehagias-Sfetsos black hole in deformed
Ho\u{r}ava-Lifshitz gravity from the Schwarzschild black hole.
