Leonardo Germán Sigali (Spanish pronunciation: ; born 28 May 1987) is an Argentine football defender. He currently plays for Racing Club, after leaving Croatian club Dinamo Zagreb in January 2018.
Sigali came through the youth system at Nueva Chicago, club from the Western part of the Argentine capital, to make his professional debut in 2006. With Nueva Chicago Sigali formed part of the team that was champion of the Primera B Nacional (Argentine second division) 2006 Clausura, and ascended to the Argentine Primera. He played the 2006-07 season with Chicago in Primera as a central defender along Nicolás Sánchez. However, the club was relegated after losing the playoff to Tigre.
Subsequently, Sigali was bought by Spanish side Villarreal. However, he was immediately loaned to Lanús in 2007, as they needed more defensive cover due to injuries of other key players. He helped his new team to win the Apertura 2007 tournament, Lanús' first ever top flight league title.