S70 or S-70 may refer to:
Aircraft Sikorsky S-70, an American military helicopter family SIPA S.70, a French prototype transport aircraft Sukhoi S-70 Okhotnik-B, a Russian prototype UCAV
Automobiles BMW S70, an automobile engine Daihatsu Hijet (S70), a Japanese kei truck Jinbei S70, a Chinese crossover Toyota Crown (S70), a Japanese sedan Traum S70, a Chinese crossover Volvo S70, a compact executive car Proton S70, a compact C-segment sedan based on the 4th generation Geely Emgrand
Other uses Canon PowerShot S70, a digital camera County Route S70 (Bergen County, New Jersey) , a submarine of the Royal Australian Navy Siemens S70, also Avanto S70, a light rail vehicle S70, a postcode district for Barnsley, England