Paul Kaloustian (b. 1972) is an award-winning architect based in Beirut, Lebanon. He studied architecture at the Académie Libanaise des Beaux-Arts (ALBA) and completed his master’s at the Harvard Graduate School of Design. He worked at Herzog & de Meuron, Basel, before opening his architectural studio in Beirut. Kaloustian has taught at the Boston Architecture Center and at the American University of Beirut (AUB). He is the recipient of the Moukbel Award, the Order of Engineers and Architects Award and has been nominated for the EU Mies Award 2022.