The Adventist International Institute of Advanced Studies (AIIAS) (pronounced "I-Us"), is Seventh-Day Adventist educational institution located in the Philippines, offering graduate degrees in business administration, education, public health, and theology.^[3][4] It is a part of the Seventh-day Adventist education system, the world's second largest Christian school system.  AIIAS is a graduate level educational institution that is both a locally and internationally accredited institution. located in Silang, Cavite, Philippines, about 25 miles (40 km) south of Manila.

It was made a GC institution of graduate education by action of the Annual Council in 1996 and became the fourth after Andrews University, Loma Linda University, and Oakwood College. It one of the first Adventist educational institutions to confer degrees to students who had earned master's degrees entirely over the internet and became the very first Seventh-day Adventist institutions to offer a Doctor of Philosophy degree in Business.