相良　長隆（さがら　ながたか、1492年（明応元年）－1526年6月25日（大永6年5月16日(旧暦)））は、相良氏第13代当主・相良長毎の次男。

Nagataka SAGARA (1492 - July 5, 1526) was the second son of Nagatsune SAGARA, the thirteenth head of the Sagara family. - Wikipedia日英京都関連文書対訳コーパス

1524年、弟の長祗が相良長定に攻められて翌年に自殺すると、1526年に僧兵をかき集めて長定を破り、還俗して太郎長隆と名乗って相良氏の家督を継ごうとしたが、僧上がりの長隆に対して相良一族や家臣団は従おうとせず、長隆は正式に家督を継ぐこともできず、人吉城から逃亡し、永里城に入った。

When Nagataka SAGARA's younger brother, Nagamasa was attacked by Nagasada SAGARA in 1524 and Nagamasa killed himself the next year, Nagataka gathered up monk soldiers and, with them, beat down Nagasada in 1526, after which he returned to the secular life naming himself Taro-Nagataka and tried to succeed to the headship of the Sagara family, however, the whole Sagara family and their vassal groups would not obey Nagataka who had been a priest, and Nagataka could not formally succeed to the headship of the family, thus he ran away from Hitoyoshi-jo Castle, and went to Nagasato-jo Castle. - Wikipedia日英京都関連文書対訳コーパス

子女は鷲尾隆光、鷲尾隆尹、娘（相良頼喬継室）、天長院（吉川広嘉室）、娘（橋本実松継室）、高倉局（東福門院付き中臈）。

Among his children, Takamitsu WASHINOO, Takatada WASHINOO, a daughter who became the second wife of Yoritaka SAGARA, Tenchoin (the wife of Hiroyoshi KIKKAWA), a daughter who became the wife of Sanematsu HASHIMOTO, Takakura no tsubone who served Tofukumonin as Churo (female housekeeper of middle rank), are known. - Wikipedia日英京都関連文書対訳コーパス