《美利堅合眾國憲法》第二十七修正案（英語：Twenty-seventh Amendment to the United States Constitution）简称「第二十七修正案」（Amendment XXVII），是禁止美國國會在下一屆議員任期開始前增加或减少议员工资（即自己給自己加薪）相關決定生效的法律。本修正案是美國憲法最新通过的修正案，但也是最早提出的美国宪法修正案之一。
No law, varying the compensation for the services of the Senators and Representatives, shall take effect, until an election of Representatives shall have intervened.[5]
The laws ascertaining the compensation of senators and representatives, for their services, shall be postponed in their operation until after the election of representatives immediately succeeding the passing thereof; that excepted which shall first be passed on the subject.
That the Compensation for the Senators and Representatives be ascertained by standing law; and that no alteration of the existing rate of Compensation shall operate for the Benefit of the Representatives, until after a subsequent Election shall have been had.
^The Archivist did not certify the amendment until May 18, 1992, with 40 states listed as ratifying the amendment. Kentucky's then-unknown 1792 ratification would have made it 41 states that had ratified at the time of certification, 3 more than the 38 required for a three-quarters majority.
^Congressional Record of the 102nd Congress, Volume 138 - Part 9, May 19, 1992, p. 11656.
^Kentucky Original Acts of 1792, Chapter XVII, pp. 25-27. This book is in the Kentucky State Law Library.
^Alabama and Missouri both ratified the amendment on May 5, 1992, but the Archivist of the United States notified both states on May 27, 1992, that Alabama was the 36th and Missouri the 37th state to ratify the amendment. These letters are held by the 国家档案和记录管理局.
FindLaw—找法网's version of the official document; incorporates 1996 and 1998 supplements into text, but does not include prefatory material included in the official version.
