Haas was a vessel that operated on Lake Washington in the first part of the 20th century.

Johnson, who owned an early shipyard on Lake Washington.

Haas, rated at 89 tons, was originally operated by Harry Cade and the Carlson Brothers, who, doing business as the Interlaken Steamship Company, ran her on the Leschi Park-Meydenhauer Bay route.

Haas when he merged the Interlaken concern into his own company.

Haas was destroyed by fire in 1909 while on the lake.