A high-carbon steel sheet has a chemical composition represented by, in mass %, C: 0.60% to 0.90%, Mn: 0.30% to 1.50%, and Cr: 0.20% to 1.00%, and others, and has a structure represented by a concentration of Mn contained in cementite: 2% or more and 8% or less, a concentration of Cr contained in cementite: 2% or more and 8% or less, an average grain diameter of ferrite: 10 μm or more and 50 μm or less, an average particle diameter of cementite: 0.3 μm or more and 1.5 μm or less, and a spheroidized ratio of cementite: 85% or more.