Stylianos (Greek: Στυλιανός) is a Greek given name meaning pillar. Stylianos may refer to:

• Stylianos of Paphlagonia (fl. late 6th century), patron saint of children
• Stylianos Zaoutzes (died 899), Byzantine official and father-in-law of emperor Leo VI
• Stylianos Gonatas (1876-1966), Greek general and politician, Prime Minister of Greece 1922-1924
• Stylianos Miliadis (1881-1965), Greek painter
• Stylianos Mavromichalis (1902-1981), Greek politician
• Stylianos Kyriakides (1910-1987), Greek Cypriot runner
• Stylianos Pattakos (1912-2016), Greek Army officer, one of the leaders of the Greek military junta of 1967–1974
• Archbishop Stylianos of Australia (1935–2019)
• Stylianos Lenas (died 1957), Cypriot EOKA fighter
• Stylianos Kalfelis (born 1950), Greek general
• Stylianos Giannakopoulos (born 1974), Greek footballer