Gregory Joseph Craven AO (born 5 March 1958) is an Australian academic, who was the vice-chancellor and president of the Australian Catholic University from January 2008 to January 2021. On 8 April 2020, the ACU chancellor, John Fahey, announced Craven's planned retirement in an email to staff and students, which was to become effective in January 2021. His successor was named as Zlatko Skrbis, who took up his appointment as ACU's fourth Vice Chancellor on 11 January 2021.