Author:Sandra Day O'Connor

Opinions of the Court

 * Allen v. Wright, 468 U.S. 737 (1984)
 * Harper & Row v. Nation Enterprises, 471 U.S. 539 (1985)
 * Skinner v. Mid-America Pipeline Company, 490 U.S. 212 (1989)
 * Sullivan v. Hudson, 490 U.S. 877 (1989)
 * Penry v. Lynaugh, 492 U.S. 302 (1989)
 * Hallstrom v. Tillamook County, 493 U.S. 20 (1989)
 * FW/PBS, Inc. v. Dallas, 493 U.S. 215 (1990)
 * Jimmy Swaggart Ministries v. Board of Equalization of California, 493 U.S. 378 (1990)
 * Baltimore City Department of Social Services v. Bouknight, 493 U.S. 549 (1990)
 * Stewart v. Abend, 495 U.S. 207 (1990)
 * Port Authority Trans-Hudson Corporation v. Feeney, 495 U.S. 299 (1990)
 * Feist Publications v. Rural Telephone Service, 499 U.S. 340 (1991)
 * County of Riverside v. McLaughlin, 500 U.S. 44 (1991)
 * Michigan v. Lucas, 500 U.S. 145 (1991)
 * Touby v. United States, 500 U.S. 160 (1991)
 * Gregory v. Ashcroft, 501 U.S. 452 (1989)
 * Coleman v. Thompson, 501 U.S. 722 (1991)
 * Hafer v. Melo, 502 U.S. 21 (1991)
 * Simon & Schuster, Inc. v. Members of the New York State Crime Victims Board, 502 U.S. 105 (1991)
 * Ardestani v. Immigration and Naturalization Service, 502 U.S. 129 (1991)
 * Smith v. Barry, 502 U.S. 244 (1992)
 * Planned Parenthood of Southeastern Pennsylvania v. Casey, 505 U.S. 833 (1992) (joint opinion)
 * City of Erie v. Pap's A. M., 529 U.S. 277 (2000)
 * Troxel v. Granville, 530 U.S. 57 (2000)
 * Ayotte v. Planned Parenthood of Northern New England, 546 U.S. 320 (2006)

Concurrences

 * California v. Trombetta, 467 U.S. 479 (1984)
 * Roberts v. United States Jaycees, 468 U.S. 609 (1984)
 * United States v. Karo, 468 U.S. 705 (1984)
 * Puerto Rico v. Branstad, 483 U.S. 219 (1987)
 * Thompson v. Oklahoma, 487 U.S. 815 (1988)
 * Duckworth v. Eagan, 492 U.S. 195 (1989)
 * Browning-Ferris Industries of Vermont Inc. v. Kelco Disposal Inc., 492 U.S. 257 (1989)
 * Stanford v. Kentucky, 492 U.S. 361 (1989)
 * Webster v. Reproductive Health Services, 492 U.S. 490 (1989)
 * Preseault v. Interstate Commerce Commission, 494 U.S. 1 (1990)
 * United States v. Ojeda Rios, 495 U.S. 257 (1990)
 * Hernandez v. New York, 500 U.S. 352 (1991)
 * Mu'Min v. Virginia, 500 U.S. 415 (1991)
 * Payne v. Tennessee, 501 U.S. 808 (1991)
 * Estelle v. McGuire, 502 U.S. 62 (1991)
 * Rufo v. Inmates of Suffolk County Jail, 502 U.S. 367 (1992)
 * Lockhart v. Fretwell, 506 U.S. 364 (1993)
 * Washington v. Glucksberg, 521 U.S. 702 (1997)
 * Printz v. United States, 521 U.S. 898 (1997)
 * Stenberg v. Carhart, 530 U.S. 914 (2000)
 * Zelman v. Simmons-Harris, 536 U.S. 639 (2002)
 * Lawrence v. Texas, 539 U.S. 558 (2003)

Concurring in part and dissenting in part

 * Bragdon v. Abbott, 524 U.S. 624 (1998)

Dissents

 * Board of Education v. Pico, 457 U.S. 853 (1982)
 * Aguilar v. Felton, 473 U.S. 402 (1985)
 * Thornburgh v. American College of Obstetricians and Gynecologists, 476 U.S. 747 (1986)
 * Mansell v. Mansell, 490 U.S. 581 (1989)
 * Hernandez v. Commissioner of Internal Revenue, 490 U.S. 680 (1989)
 * South Carolina v. Gathers, 490 U.S. 805 (1989)
 * Texas v. New Mexico, 494 U.S. 111 (1990)
 * Carden v. Arkoma Associates, 494 U.S. 185 (1990)
 * Rust v. Sullivan, 500 U.S. 173 (1991)
 * Edmonson v. Leesville Concrete Company Inc., 500 U.S. 614 (1991)
 * James Beam Distilling Company v. Georgia, 501 U.S. 529 (1989)
 * Hilton v. South Carolina Public Railways Commission, 502 U.S. 197 (1991)
 * Bray v. Alexandria Women's Health Clinic, 506 U.S. 263 (1993)
 * Apprendi v. New Jersey, 530 U.S. 466 (2000)
 * Atwater v. Lago Vista, 532 U.S. 318 (2001)
 * Missouri v. Seibert, 542 U.S. 600 (2004)
 * Roper v. Simmons, 543 U.S. 551 (2005)
 * Kelo v. New London, 545 U.S. 469 (2005)