Yuji Matsuo (松尾 雄治, Matsuo Yūji, born 20 January 1954) is a former Japanese rugby union player and a sports journalist. He played as a fly-half.
Matsuo was one of the greatest rugby Japanese players of all times and played for Shin-Nittetsu Kamaishi. He left competition in 1985, after seven consecutive wins.
He had 24 caps for Japan, from 1974 to 1984, scoring 3 tries, 5 conversions, 14 penalties and 3 drop goals, in an aggregate of 73 points.
After finishing his player career he became a sports journalist for the Japanese television.