Two Ni/W hydrodearomatization (HDA) catalysts, CAT-1 and CAT-2, were prepared by wetness impregnation on mixed supports of USY zeolite and amorphous silica-alumina. The structure and properties of CAT-1 and CAT-2 catalysts were characterized by XRD, XRF, pyridine-IR, and N-2 adsorption/desorption techniques. The hydrotreating tests with a lower initial boiling point light cycle oil from fluid catalytic cracking showed that CAT-1 catalyst achieved hydrodearomatization, hydrodesulfurization (HDS), and hydrodenitrogenation (HDN) performance: 97.4% hydrodesulfurization, 99.5% hydrodenitrogenation, 14 cetane number improvement, 97.6 wt % diesel yield, and 0.0410 g/cm(3) density reduction. The high HDA activity of CAT-1 catalyst was attributed to a low total acidity and Lewis acidity. Adding various modified zeolites did not significantly influence HDS and HDN activities and diesel yield.