Masahiro Andō (安藤正容, Andō Masahiro, born September 16, 1954) is a Japanese composer and guitarist from Chikusa-ku, Nagoya, Aichi Prefecture, Japan. From 1976 to 2021, he was the guitarist and leader of the Japanese jazz-fusion band T-Square. He was also one-third of Ottottrio, a supergroup led by three Japanese guitarists: himself, Hirokuni Korekata of Rocket Jam and Issei Noro of Casiopea.

Andō was also commissioned to create the music for Arc the Lad: Twilight of the Spirits and Gran Turismo. He is one of the performers for the band's composition, "Truth", the theme tune for Fuji Television's Formula One World Championship coverage (which started in use in 1987) and the F-1 Grand Prix video game series.

On February 1, 2021, Andō announced that he would leave T-Square following the release of their next album and tour.