Logan Holt Roots (March 26, 1841 - May 30, 1893) was a U.S. Representative from Arkansas.
Born near Tamaroa, Illinois, Roots completed preparatory studies and was graduated from the Illinois State Normal University in 1862. Assisted in recruiting the Eighty-first Illinois Volunteers and served in the Army until the close of the Civil War. He settled in Arkansas and engaged in planting and trading. Upon the readmission of Arkansas to representation was elected as a Republican to the Fortieth Congress. He was reelected to the Forty-first Congress and served from June 22, 1868, to March 3, 1871. He was an unsuccessful candidate for reelection in 1870 to the Forty-second Congress. He served as president of the First National Bank of Little Rock, Arkansas, until his death in that city May 30, 1893. He was interred in Oakland Cemetery.