Robert Jacques Lanois (April 4, 1948 – April 19, 2021) was a Canadian sound engineer, record producer, and harmonica player. He released his first album (in which he played harmonica) in 2006, Snake Road, with his brother Daniel Lanois. He also recorded an album with guitarist Tom Wilson, entitled The Shack Recordings Volume One. Among other credits, he co-produced Simply Saucer's demo tape with Daniel. He was also given a credit in the "Thanks to" section of U2's The Joshua Tree album credits. He died on April 19, 2021.