| Dagmar Johanne Amalie Overby | 1913 - 1920 | Denmark | 9+ |
| Daisy de Melker | 1923 - 1932 | South Africa | 3 |
| Dale Cregan | 2012 | United Kingdom | 4 |
| Dale Merle Nelson | 1970 | Canada | 8 |
| Dale Shawn Hausner | 2005 - 2006 | USA | 8 |
| Dallen Forrest Bounds | 1999 | USA | 4 |
| Dalton Prejean | 1974 - 1977 | USA | 2 |
| Dámaso Rodríguez Martín | 1981 - 1991 | Spain | 3 |
| Dame Alice Kyteler | 1280 - 1324 | Ireland | 4 |
| Damien Wayne Echols | 1993 | USA | 3 |
| Dana James Ewell | 1992 | USA | 3 |
| Dana Sue Gray | 1994 | USA | 3 |
| Dandeny Muñoz Mosquera | 1978 - 1991 | Colombia | 220+ |
| Daneaco Reid | 2020 | United Kingdom | 1 |
| Daniel Camargo Barbosa | 1974 - 1986 | Colombia | 72+ |
| Daniel Eugene Remeta | 1985 | USA | 5 |
| Daniel James White | 1978 | USA | 2 |
| Daniel Joe Hittle | 1973 - 1989 | USA | 7 |
| Daniel Joseph Blank | 1996 - 1997 | USA | 6 |
| Daniel Julian Gonzalez | 2004 | United Kingdom | 4 |
| Daniel Lee Corwin | 1975 - 1988 | USA | 3 |
| Daniel Lee Siebert | 1979 - 1986 | USA | 9+ |
| Daniel Lugo | 1994 - 1995 | USA | 2 |
| Daniel Oliver Jones | 1998 - 2001 | USA | 4 |
| Daniel Owen Conahan Jr. | 1993 - 1996 | USA | 1+ |
| Daniel Wilkinson | 1883 | United Kingdom | 1 |
| Daniel Wozniak | 2010 | USA | 2 |
| Danilo Guades | 2007 | Philippines | 10 |
| Danny Arthur Ranes | 1972 | USA | 4 |
| Danny Barber | 1978 - 1980 | USA | 4 |
| Danny Figueroa | 1986 | USA | 3 |
| Danny Lee Hill | 1985 | USA | 1 |
| Danny Paul Bible | 1979 - 1983 | USA | 4 |
| Danny Rolling | 1989 - 1990 | USA | 8 |
| Dante Wyndham Arthurs | 2006 | Australia | 1 |
| Daphne Wright | 2006 | USA | 1 |
| Darbara Singh | 2004 | India | 2 |
| Darlie Lynn Peck Routier | 1996 | USA | 2 |
| Darrell Keith Rich | 1978 | USA | 4 |
| Darrell L. Brooks | 2002 | USA | 7 |
| Darren Dee O'Neall | 1982 - 1987 | USA | 1+ |
| Darren Deon Vann | 2013 - 2014 | USA | 18 |
| Darren Roy Mack | 2006 | USA | 1 |
| Darryl Vernon Richley | 1981 | USA | 1 |
| Darya Nikolayevna Saltykova | 1756 - 1762 | Russia | 38+ |
| Daryl Keith Holton | 1997 | USA | 4 |
| Daryl Linnie Mack | 1988 - 1994 | USA | 2 |
| Daryl Renard Atkins | 1996 | USA | 1 |
| David Afuta | 1997 | Israel | 1 |
| David Alan Gore | 1981 - 1983 | USA | 6 |
| David Albert Dowler | 1983 - 1987 | USA | 3 |
| David Allen Raley | 1985 | USA | 1+ |
| David Allen Rundle | 1986 | USA | 3 |
| David Augustus Burke | 1987 | USA | 42 |
| David Avendaño Ballina | 1997 - 2007 | Mexico | 70+ |
| David Barron Corona | 1979 - 1997 | USA | 1+ |
| David Berkowitz | 1976 - 1977 | USA | 6 |
| David Bullock | 1981 - 1982 | USA | 6+ |
| David Burgess | 1966 - 1967 | United Kingdom | 3 |
| David Carpenter | 1979 - 1981 | USA | 10+ |
| David Dawson | 1986 | USA | 1 |
| David Dene Martin | 1977 | USA | 4 |
| David Dewayne Johnson | 1989 | USA | 1 |
| David Edgar Herold | 1865 | | 1 |
| David Edward Attias | 2001 | USA | 4 |
| David Edward Maust | 1974 - 2003 | USA | 5 |
| David Edwin Mason | 1980 - 1982 | USA | 5 |
| David Elliott Penton | 1984 - 1988 | USA | 5 |
| David Ethan Anthony | 2001 | USA | 1 |
| David Francis Bieber | 2003 | USA | 1 |
| David Francis Brom | 1988 | USA | 4 |
| David Fryer | 1973 | USA | 4 |
| David Gail Meirhofer | 1967 - 1974 | USA | 4 |
| David Gilroy | 2010 | United Kingdom | 1 |
| David Homer Edenfield | 2007 | Georgia | 1 |
| David Hotyat | 2003 | France | 5 |
| David John Birnie | 1986 | Australia | 4+ |
| David Kozák | 2023 | Czech Republic | 17 |
| David Leonard Wood | 1987 | USA | 6+ |
| David Livingston Funchess | 1974 | USA | 2 |
| David M. Brewer | 1985 | USA | 1 |
| David Malcolm Gray | 1990 | New Zealand | 13 |
| David Mark Hill | 1996 | USA | 3 |
| David Michael Robinson | 1910 - 1940 | USA | 10+ |
| David Mitchell | 1994 | Bahamas | 2 |
| David Mulcahy | 1982 - 1986 | United Kingdom | 3 |
| David Neal Cox Sr. | 2010 | USA | 1 |
| David Parker Ray | 1957 - 1999 | USA | 1+ |
| David Paul Hammer | 1996 | USA | 1 |
| David Prosper Hotyat | 2003 | France | 5 |
| David Ray Conley III | 2015 | USA | 8 |
| David Russell Hosier | 2009 | USA | 2 |
| David Russell Williams | 2007 - 2010 | Canada | 86 (2 Killed) |
| David Smith | 1991 - 1999 | United Kingdom | 2 |
| David Stephen Middleton | 1994 - 1995 | USA | 2+ |
| David Thabo Simelane | 2000 - 2001 | Swaziland | 28 |
| David Thomas | 1990 | Saint Vincent and the Grenadines | 1 |
| David Thomas Dawson | 1986 | USA | 3 |
| David Van Dyke | 1979 - 1980 | USA | 6+ |
| David Villarreal | 1978 - 1981 | USA | 5 |
| David Westerfield | 2002 | USA | 1 |
| Dayton Leroy Rogers | 1983 - 1987 | USA | 7 |
| De'Marquise Kareem Elkins | 2013 | USA | 1 |
| Dean Arnold Corll | 1970 - 1973 | USA | 28+ |
| Dean Michael Wiwchar | 2004 - 2012 | Canada | 1 |
| Dean Phillip Carter | 1984 | USA | 4 |
| Deangelo Kenneth Martin | 2018 - 2019 | USA | 4+ |
| Deanna Laney | 2003 | USA | 2 |
| Debora Green | 1995 | USA | 2 |
| Debra Brown | 1984 | USA | 8 |
| Debra Jean Milke | 1989 | USA | 1 |
| Debra Lynn Baker | 1990 | USA | 1 |
| Deidra Lane | 2000 | USA | 1 |
| Della Faye Sutorius | 1996 | USA | 1 |
| Dellmus Charles Colvin | 1987 - 2005 | USA | 7+ |
| DeMarcus Maurice Smith | 1992 | USA | 6 |
| Demetrius Terrence Frazier | 1991 - 1992 | USA | 2 |
| Dena Schlosser | 2004 | USA | 1 |
| Denis Kazungu | 2022 - 2023 | Rwanda | 14 |
| Denis Lortie | 1984 | Canada | 3 |
| Denis Sergeevich Pischikov | 2002 - 2003 | Russia | 14-17 |
| Dennis Andrew Nilsen | 1978 - 1983 | United Kingdom | 12+ |
| Dennis B. McGuire | 1989 | USA | 1 |
| Dennis John Whitty | 1963 | United Kingdom | 1 |
| Dennis Rader | 1974 - 1991 | USA | 10 |
| Derek William Bentley | 1952 | Australia | 4 |
| Derrick Bird | 2010 | United Kingdom | 12 |
| Derrick Todd Lee | 1992 - 2003 | USA | 7+ |
| Deryl Paul Dedmon | 2011 | USA | 1 |
| Desmond Domnique Jennings | 1993 | USA | 5+ |
| Desmond Keith Carter | 1992 | USA | 1 |
| Devin Darnell Thompson | 2003 | USA | 3 |
| DeWayne Antonio Craddock | 2019 | USA | 12 |
| Deyan Valentinov Deyanov | 2011 | Bulgaria | 1 |
| Dhananjoy Chatterjee | 1990 | India | 1 |
| Diane Borchardt | 1994 | USA | 1 |
| Diane Downs | 1983 | USA | 1+ |
| Diane Michelle Zamora | 1995 | USA | 1 |
| Diane O'Dell | 1982 - 1985 | USA | 3 |
| Diego Alexánder Ruiz Restrepo | 2018 - 2020 | Chile | 27 |
| Diego Fernando Murillo Bejarano | 1980 - 2008 | Colombia | 1+ |
| Diogo Alves | 1839 | Spain | 5 |
| Diogo Figueira da Rocha | 1894 - 1897 | Brazil | 50+ |
| Ditbardh Cuko | 1992 | Albania | 5 |
| Dmitry Gennadyevich Kazakov | 2009 - 2021 | Russia | 6 |
| Dmitry Leonidovich Gridin | 1989 | Russia | 3 |
| Dominick Bodkin | 1740 | Ireland | 11 |
| Dominique Cottrez | 1989 - 2000 | France | 8 |
| Dominique Jerome Green | 1992 | USA | 1 |
| Donald Albin Blom | 1999 | USA | 1 |
| Donald Beardslee | 1969 - 1981 | USA | 3 |
| Donald Broadnax | 1977 - 1996 | USA | 3 |
| Donald David Dillbeck | 1979 - 1990 | USA | 1 |
| Donald Edward DeMag | 1948 - 1952 | USA | 2 |
| Donald Eugene Harding | 1979 - 1980 | USA | 7 |
| Donald Gene Miller | 1977 - 1978 | USA | 4 |
| Donald Harvey | 1970 - 1987 | USA | 47+ |
| Donald Henry Gaskins | 1953 - 1982 | USA | 15 |
| Donald James Smith | 2013 | USA | 1 |
| Donald L. Palmer | 1989 | USA | 2 |
| Donald Lavoie | 1980 - 1982 | Canada | 15 |
| Donald Leroy Evans | 1985 - 1991 | USA | 3+ |
| Donald Nash | 1982 - 1994 | USA | 6 |
| Donald Neilson | 1971 - 1975 | England | 4 |
| Donato Anthony Corbo | 2011 | Australia | 3 |
| Donato Bilancia | 1997 - 1998 | Italy | 17 |
| Doneta Hill | 1990 - 1991 | USA | 2 |
| Donna Marie Roberts | 2001 | USA | 1 |
| Donnie Stallworth | 2009 | USA | 2 |
| Dontae Rashawn Morris | 2010 | USA | 5+ |
| Dora Isabel Garcia Cisneros | 1992 - 1993 | USA | 1 |
| Dorcas Kelly | 1760 | Ireland | 1 |
| Dorethea van der Merwe | 1918 | South Africa | 1 |
| Dorice Donegan Moore | 2009 | USA | 1 |
| Dorothea Helen Puente | 1982 - 1988 | USA | 9 |
| Dorothea Nancy Waddingham | 1935 | United Kingdom | 2 |
| Dorothy O. Sherwood | 1935 | USA | 1 |
| Dorothy Williams | 1987 - 1990 | USA | 3 |
| Doug Clark | 1980 | USA | 6+ |
| Douglas Duane Turner | 1987 - 1991 | USA | 9 |
| Douglas Edward Gretzler | 1973 | USA | 17 |
| Douglas Franklin Wright | 1969 - 1991 | USA | 7+ |
| Douglas Hamlet | 1991 | Saint Vincent and the Grenadines | 1 |
| Douglas John Edward Crabbe | 1983 | Australia | 5 |
| Duan Guocheng | 1999 - 2001 | China | 13 |
| Duane Eugene Owen | 1984 | USA | 2 |
| Dương Văn Môn | 1998 | Vietnam | 11 |
| Dustin John Higgs | 1996 | USA | 3 |
| Dustin Lee Honken | 1993 | USA | 5 |
| Dylan Bennet Klebold | 1999 | USA | 5 |
| Dylan Wade Butler | 2011 | USA | 1 |
| Dylann Storm Roof | 2015 | USA | 9 |
| Dzhokhar Anzorovich Tsarnaev | 2013 | USA | 3+ |
