"Khong hoi, khong noi" (tieng Anh: "Don't ask, don't tell" hay DADT) la thuat ngu thuong đuoc su dung cho chinh sach han che quan đoi My khong đuoc dung no luc đe kham pha hoac tiet lo gioi tinh cua nhung quan nhan đong tinh kin hay luong tinh, trong khi ngan can nhung nguoi cong khai đong tinh nam, đong tinh nu, hay luong tinh nhap ngu. Cac han che nay la quy đinh cua luat lien bang (10 U.S.C. § 654) va đa het hieu luc vao ngay 20 thang 9 nam 2011. 
Chinh sach cam nhung nguoi "the hien mot xu huong hay y đinh tham gia vao cac hanh vi đong tinh" khong đuoc phuc vu trong luc luong vu trang cua Hoa Ky, boi vi su hien dien cua ho "se tao ra mot nguy co khong the chap nhan đe cac tieu chuan cao ve tinh than, trat tu tot, ky luat, va đon vi su gan ket đo la ban chat cua nang luc quan su. Thuong vien My ngay 18 thang 12 đa thong qua mot du luat voi 65/31 phieu cho phep binh si cong khai chuyen đong tinh ma khong can phai roi quan ngu. Nhung nguoi ung ho Du luat so sanh no voi viec bai bo phan biet chung toc o Hoa Ky.
Đao luat nay cam bat ky quan nhan (đang phuc vu cho Quan đoi Hoa Ky) đong tinh hoac luong tinh nao đuoc tiet lo xu huong tinh duc cua minh hoac noi ve bat cu moi quan he đong tinh, bao gom ca cuoc hon nhan hoac cac thuoc tinh gia đinh khac. Đao luat nay quy đinh rang cac quan nhan tiet lo ho la đong tinh hay tham gia vao cac hanh vi đong tinh se đuoc cach ly (hay sa thai) tru khi hanh vi cua quan nhan đo la "nham muc đich tranh hoac cham dut nghia vu quan su" hoac khi no "khong vi loi ich tot nhat cua cac luc luong vu trang".
Nhu no ton tai, đao luat DADT đinh rang "khong hoi" mot phan cua chinh sach nay cho thay cap tren khong nen tien hanh đieu tra cac đinh huong cua quan nhan khi khong co hanh vi khong đuoc phep, mac du bang chung đang tin cay va ro rang ve hanh vi đong tinh co the gay ra mot cuoc đieu tra. Vi pham cac khia canh nay thong qua cac đieu tra trai phep va sach nhieu đoi voi quan nhan bi nghi van mang đen ket qua trong quy đinh hien hanh cua chinh sach nay la "khong hoi, khong noi, khong theo đuoi, khong sach nhieu."
Nhung no luc nham bai bo chinh sach nay, co hieu luc tu nam 1993, tang len sau cuoc bau cu Tong thong Barack Obama trong nam 2008. Barack Obama, Bo truong Quoc phong Leon Panetta va Mike Mullen gui cong van đen Thuong vien vao ngay 22 thang 7 nam 2011, cham dut chinh sach DADT vao ngay 20 thang 9 nam 2011.


Tham khao = Chu thich =


= Nguon =


Lien ket ngoai Text of Don't Ask, Don't Tell Repeal Act of 2010 Luu tru ngay 28 thang 10 nam 2011 tai Wayback Machine
Department of Defense Directive 1304.26 - Qualification Standards for Enlistment, Appointment, and Induction
Department of Defense Directive 1332.14 Luu tru ngay 26 thang 10 nam 2011 tai Wayback Machine - Enlisted Administrative Separations
Center for Military Readiness
10 U.S.C. § 654 – the policy concerning homosexuality in the armed forces
Congressional Research Service (CRS) Reports regarding Gays and U.S. Military Policy
Human Rights Campaign Luu tru ngay 14 thang 4 nam 2011 tai Wayback Machine
Servicemembers Legal Defense Network
Michael D. Palm Center Luu tru ngay 6 thang 7 nam 2008 tai Wayback Machine
Blue Alliance – LGBT Alumni of the US Air Force Academy Luu tru ngay 21 thang 12 nam 2010 tai Wayback Machine
Knights Out – LGBT Alumni of the US Military Academy
USNA Out – LGBT Alumni of the US Naval Academy Luu tru ngay 19 thang 4 nam 2022 tai Wayback Machine
Thomasson v. Perry Luu tru ngay 28 thang 9 nam 2010 tai Wayback Machine – The first test of "Don't ask, don't tell" to reach the Supreme Court was turned down without comment and without setting a precedent.
- OutServe – An Underground Network of Active Duty/Guard/Reserve
In Landmark Ruling, Judge Rules "Don’t Ask Don't Tell" Policy is Unconstitutional - video report by Democracy Now!
Podcast: Why the American Medical Association (AMA) Supports the Repeal of Don't Ask, Don't TellLuu tru ngay 28 thang 7 nam 2011 tai Wayback Machine