Streptococcus suis is an important cause of meningitis, arthritis, and sudden death in young piglets and of meningitis in humans. A novel temperate S. suis-specific bacteriophage (NJ2) was identified. The phage was induced from the S. suis strain NJ2 by using mitomycin C, and the whole genome sequence was determined. The NJ2 genome is 37,282 bp in length and contains 56 open reading frames (ORFs). While 31 ORFs (55%) encoded hypothetical proteins, other ORFs were predicted to be functional, clearly indicating the novelty of phiNJ2.