We have grown high-quality single crystals of tetragonal USb2 using a flux method. We have detected five branches in de Haas-van Alphen (dHvA) experiments. Frequencies of all dHvA branches follow the 1/ cos θ-dependence, revealing the presence of cylindrical Fermi surfaces, where θ is a tilt angle from  to . The cyclotron masses are in the range from 1.84 to 8.33 m0. The two-dimensional Fermi surfaces are due to the conduction electrons in the U-plane, including the itinerant 5f-electrons.
- Cylindrical Fermi surface
- de Haas-van Alphen effect