This invention is in the field of corn breeding, specifically relating to a dent corn inbred designated as KW4U110. Inbred corn line KW4U110 is a yellow dent corn inbred with superior characteristics and provides an excellent, female parental line in crosses for producing first generation (F₁) hybrid corn. KW4U110 contributes excellent root strength and excellent stalk strength to the F₁ hybrids.