Bacteriophages were induced from staphylococcus intermedius isolates from dogs and used fir a phage typing. Mitomycin C induction was performed on 60 strains of S, intermedius and all phages were reacted with the strains. Twenty-eight strains (46.7%) were found to be lysogenic. Based on host ranges, eight phages were selected. By using the eight phages, 129 strains isolated from canine clinical specimens were subjected to the phage typing at the routine test dilution (RTD) and $100{ imes}RTD$. Typability of the phage set was 78.3%, yielding 40 phage patterns. The phase set was considered useful for differentiating S. intermedius strains isolated from dogs. None of 50 strains of S. aureus, 2 (3.6%) of 56 S. simulance strains, 13 (24.5%) of 53 S. chromogenes strains and 46 (28.1%) of 164 S. hyicus strains were typable by the phages at $100{ imes}RTD$.