'''Guy II''' may refer to:
*Guy II de Balliol (died early 1160s) *Guy II, Count of Blois (died 1397) * Guy II of Gibelet, of the Embriaco family *Guy II, Marquis of Namur (1312–1336) *Guy II, Count of Ponthieu (c. 1120–1147) *Guy II de la Roche (1280–1308) *Guy II de Nesle (died 1352), Lord of Mello *Guy II de Pontailler (died 1392) *Guy II of Spoleto (died 882 or 883)
{{hndis|Guy 02}}