Susukino (すすきの) is a red-light district in Chūō-ku, Sapporo, Hokkaidō, Japan. It is one of the major red-light districts in Japan along with Kabukichō, Tokyo, and Nakasu, Fukuoka. Currently, the district is congested with many restaurants, bars, hotels, and adult-entertainment establishments. The name Susukino is often written as 薄野 in kanji and ススキノ in katakana, and directly translates as "zebra grass field".

Akasen (赤線) was the Japanese slang term for districts historically engaged in the sex work industry in Japan, specifically within the time period of January 1946 through to March 1958.