Foy Esco (Foy E., Jr.) Wallace (30 September 1896 – 18 December 1979) was an influential figure among American Churches of Christ in the early and mid-20th century. Through his writing and speaking, Wallace gathered a considerable following among that autonomous group of churches. His skilled use of logic, combined with his charisma, propelled him to the forefront of at least three major controversies in the Churches of Christ.