Ladislas Lazaro (June 5, 1872 – March 30, 1927) was an American politician who served as a Democrat U.S. Representative from Louisiana's 7th congressional district from 1913 to 1927.

Born near Ville Platte, Evangeline (then part of St. Landry) Parish, Louisiana, Lazaro was the son of Marie Denise Ortego, a daughter of one of Ville Platte’s founding Hispanic families, and Alexandre Lazaro Biladinoviz, a Romani immigrant from the town of Risan (in what is now Montenegro), who came to America aboard a ship from Russia as a stowaway.

[1] Lazaro attended public and private schools and Holy Cross College, New Orleans, Louisiana.

He graduated from Louisville (Kentucky) Medical College in 1894 and practiced his profession in Washington, Louisiana, until 1913.

[1] He died while in office in 1927 and was interred in the Old City Cemetery, Ville Platte, Louisiana.