Smith v. United States may refer to:
Smith v. United States, 508 U.S. 223 (1993), a case about exchanging guns for drugs Smith v. United States, 568 U.S. 106 (2013), a case about members leaving a drug conspiracy group Smith v. United States, 599 U.S. 236 (2023) Smith v. United States, 30 U.S. 292 (1831) Smith v. United States, 35 U.S. 326 (1836) Smith v. United States, 151 U.S. 50 (1894) Smith v. United States, 161 U.S. 85 (1896) Smith v. United States, 170 U.S. 372 (1898) Smith v. United States, 292 U.S. 337 (1934) Smith v. United States, 337 U.S. 137 (1949) Smith v. United States, 348 U.S. 147 (1954) Smith v. United States, 431 U.S. 291 (1977), a case about federal obscenity prosecutions
See also United States v. Smith (disambiguation)