Robert Lloyd Saucy was an American Biblical scholar and professor of systematic theology.

Saucy was educated at George Fox College (1949–51) and Westmont College (1951–53), earning his AB in history. He went on to earn both his ThM (1958) and ThD (1961) in Systematic Theology at Dallas Theological Seminary. While completing his graduate studies at Dallas, Saucy served as part-time instructor at the Southern Bible Training Institute, and as part-time pastor at Milligan Bible Church. He was ordained as a minister in the North American Baptist General Conference.

In 1961, Saucy joined the faculty of Talbot School of Theology, where he was appointed distinguished professor of systematic theology in 1989. He is a long-time member of the Evangelical Theological Society, and served as its president in 1972. Saucy was one of only three scholars who worked on both the original 1971 translation of the New American Standard Bible as well as the 1995 update. He was also a faculty member at Rosemead Graduate School of Psychology from 1970 to 1977.