ABSTRACT Dadih is buffalo milk fermented with lactic acid bacteria (LAB). This study aimed to measure the antimicrobial activity of LAB isolates from dadih, Kampar Regency, against the pathogenic bacteria Listeria monocytogenes, Staphylococcus aureus, Salmonella sp., and Escherichia coli. This study was conducted descriptively with four isolates and four replicates. Four LAB isolates (LM 1…