Julia Lebel-Arias (née Arias, born 10 March 1946) is an Argentina-born chess player and Woman International Master (WIM, 1985) who represented Argentina (until 1982), France (from 1982 till 2001) and Monaco (from 2002).

From the end of 1970s to the early 1980s, Lebel-Arias was one of the leading chess players in Argentina.

She won the Argentine Women's Chess Championships in four consecutive years: 1974, 1975, 1976, and 1977.

After moving to France, she three times won French Women's Chess Championship: 1983, 1986, and 1990.

[1] In 1985, she was awarded the FIDE Woman International Master (WIM) title.