Suis

Suis, a Latin adjective referring to the pig, may refer to:
 * Swine brucellosis, an infection affecting pigs, known as Brucella suis
 * Chlamydia suis, an infection affecting pigs
 * Pseudomonas suis, a bacterium that causes pneumonia in pigs
 * Streptococcus suis, a pathogen affecting pigs
 * Trichuris suis, a worm species used in helminthic therapy
 * Trypanosoma suis, a protozoan species that causes one form of the surra disease in pigs
 * Sarcoptes scabiei var. suis, a mite subspecies
 * Suis, the vocalist in the Japanese rock duo Yorushika