Tomoaki Taniguchi (谷口 智昭 Taniguchi Tomoaki) is a Japanese rugby player who plays at lock for Toyota Verblitz and Japan. He scored two tries after coming on in the second half for Japan against Australia A on June 8, 2008 (2008 IRB Pacific Nations Cup Round One).
Born on August 26, 1982 in Hyogo prefecture, he graduated from Ritsumeikan University. Height 193 cm, weight 125 kg.