Hikawa Maru (氷川丸) also known as Cordoba after leased to Nicaraguan shipping company Lloyd Nicaragüense in 1952 is a Japanese ocean liner that Yokohama Dock Company built for Nippon Yūsen Kabushiki Kaisha. She was launched on 30 September 1929 and made her maiden voyage from Kobe to Seattle on 13 May 1930. She is permanently berthed as a museum ship at Yamashita Park, Naka-ku, Yokohama.

The Nippon Yusen Kabushiki Kaisha , also known as NYK Line, is a Japanese shipping company. The company headquarters are located in Chiyoda, Tokyo, Japan. It operates a fleet of over 800 ships, which includes container ships, tankers, bulk and woodchip carriers, roll-on/roll-off car carriers, reefer vessels, LNG carriers, and cruise ships. It is a member of the Ocean Network Express and Mitsubishi Group.