Aoun is a surname. Notable people with the surname include:

• Ahmed Oun (also spelled Aoun; born 1946), Libyan military officer
• Joseph Aoun (military officer), Lebanese military officer and Commander of the Lebanese Armed Forces
• Joseph E. Aoun, linguist, and President of Northeastern University
• Mario Aoun (born 1951), Lebanese politician
• Michel Aoun (born 1935), Lebanese Army General, Lebanese politician, President of the Republic
• Michel Aoun (bishop) (born 1959), Eparch in the Maronite Catholic Church

• Marek Michal Zabka
• Marek Michał Żabka
• Marek Minarik
• Marek Niedzialkowski
• Marek Niedziałkowski
• Marek Osinski
• Marek Plura
• Marek Potemski
• Marek Prawda
• Marek, Richard
• Marek Rigo
• Marek Rodák
• Marek Ruzicka
• Marek Růžička
• Marek Sobola
• Marek Stebnicki
• Marek Surin
• Marek Szpera
• Marek Ulrich
• Marek Vintr
• Marek Wierzbicki
• Marek Wierzbicki (historian)
• Marek Woźniak
• Marek Wróbel
• Marek Yanai