Assumption University (Thai: มหาวิทยาลัยอัสสัมชัญ, RTGS: Mahawitthayalai Assumption, abbreviated ABAC) also referred to by its acronym AU is a private, Catholic, research higher education institution in Bangkok, Thailand administered by the Brothers of St. Gabriel.

Following the school's significant expansion to offer comprehensive programs in Bachelor's, Master's and Doctoral Degrees, in 1990, it was granted accordingly a new status as "Assumption University" by the Ministry of University Affairs.

Doctoral Degree Programs [5] The university's Seat of Wisdom statue was blessed by Michael Cardinal Michai Kitbunchu on the 8th December 2000.

A goldsmith was commissioned to craft a crown of pure gold for the statue of the Virgin Mary.

On 15 August 2001 this gold crown was blessed by Bishop Lawrence Thienchai Samanchit.