Tillich is a German (and West Slavic) surname. It may refer to:
Ernst Tillich (1910–1985), German theologian Paul Tillich (1886–1965), German-American Protestant theologian Paul Tillich Park, New Harmony, Indiana, USA Stanislaw Tillich (born 1959), Sorbian German politician, Minister-President of Saxony Wolfgang Tillich (1939–1988), German footballer