Lucilla Andreucci (born 19 December 1969 in Rome) is a former long-distance runner from Italy.
She set her personal best (2:29:43) in the women's marathon on 3 December 2000 in Milan, Italy. She has 16 caps in national team from 1997 to 2007. She is the twin sister of Florinda Andreucci, she also a long-distance runner.
She won five national championships at individual senior level.