Koos

Koos may refer to:


 * Koos (name), a masculine given name and a surname
 * Koos (fashion label), a former haute couture fashion label
 * Koos (island), in the Bay of Greifswald, Mecklenburg-Vorpommern, Germany
 * Koos Group, a Taiwan-based pan-Asian business group
 * KOOS, a radio station in North Bend, Oregon, United States
 * KTEE, originally KOOS, a radio station in North Bend, Oregon
 * Koos/Together, an Estonian political party