was a daimyà  during mid-Edo period Japan and fifth hereditary chieftain of the Kakegawa-à Âta clan. His courtesy title was Settsu-no-kami.
à Âta Suketoshi was the son of à Âta Sukeharu, the daimyà  of Tatebayashi Domain in Kà Âzuke Province. He inherited the leadership of the à Âta clan on his father's death in 1734, but was not confirmed in the position of daimyà  of Tatebayashi Domain until 1740. He entered into the administration of the Tokugawa shogunate by serving as sà Âshaban at Edo Castle. On September 25, 1746 was reassigned from Tatebayashi to Kakegawa Domain in Tà Âtà Âmi Province, (modern-day Shizuoka Prefecture) replacing Ogasawara Nagayuki. He subsequently was appointed to the position of Jisha-bugyà Â. He died at Kakegawa on January 12, 1716, leaving the domain to his son, à Âta Sukeyoshi. His grave is at the à Âta clan bodaiji of Myà Âhokke-ji in Mishima, Shizuoka.
à Âta Suketoshi was married to an adopted daughter of Itakura Shigeharu, daimyà  of Ise-Kameyama Domain.
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