Andrea Lazzari (Italian pronunciation: ; born 3 December 1984) is an Italian footballer who plays as a midfielder for Serie C club Fano.
Born in Milan, Lazzari started his professional career at hometown club Atalanta. During 2003–04 Serie B season, he was promoted from Primavera under–20 team to the first team. He made his Serie B debut on 4 October 2003, substituted Riccardo Montolivo in the 86th minute. He followed the team promoted back to Serie A as the 5th and made his Serie A on 22 September 2004, replaced Nicola Mingazzini in the 81st minute. Lazzari scored a hat-trick against Juventus in Coppa Italia, a match in which Juventus was eliminated in a 5–3 aggregate, while Lazzari also scored the 2 goals in the first leg. Lazzari followed Atalanta relegated back to Serie B in June 2005. He won Serie B champion with the team in June 2006.
In August 2006, he was loaned back to Serie B for Cesena, as part of the deal that Atalanta signed Adriano Ferreira Pinto. On 31 January 2007 he was sub-loan to Piacenza Calcio, as part of the deal that Cesena signed Alessandro Pellicori. In July 2007, he was loaned to Serie B newcomer Grosseto, where he finally became a regular starter and scored 9 goals.