John Ernest Nichols (20 April 1878 – 29 February 1952), sometimes known as Jack Nichols, was an English professional sportsman who played cricket and association football. As a first-class cricketer he played five matches for Worcestershire County Cricket Club between 1902 and 1904, as well as making one first-class appearance for a Minor Counties representative side in 1912. He also played Minor Counties Championship cricket for Norfolk and Staffordshire County Cricket Clubs and was an influential cricket coach.