January[]
- 2 January
- Kate Hodge is born.
- 27 January
- Tamlyn Tomita is born.
February[]
- 13 February
- Neal McDonough is born.
March[]
- 7 March
- Jennifer Roszell is born.
- 23 March
- Marin Hinkle is born.
- 26 March
- Michael Imperioli is born.
- 30 March
- Stephen Gevedon is born.
April[]
- 9 April
- Cynthia Nixon is born.
- 18 April
- Fred Weller is born.
May[]
- 25 May
- Andrew Fiscella is born.
- 31 May
- James Hanlon is born.
June[]
- 8 June
- Julianna Margulies is born.
- 28 June
- Mary Stuart Masterson is born.
July[]
- 7 July
- Jim Gaffigan is born.
- 10 July
- Carlos Leon is born.
- 11 July
- Greg Grunberg is born.
- 31 July
- Dean Cain is born.
- Jim True-Frost is born.
August[]
- 3 August
- Nick Sandow is born.
- 5 August
- Jonathan Silverman is born.
- 18 August
- Caris Vujcec is born.
- 30 August
- Michael Michele is born.
September[]
- 24 September
- Paul Michael Valley is born.
October[]
- 28 October
- Chris Bauer is born.
December[]
- 8 December
- Marianne Hagan is born.
- 15 December
- Molly Price is born.
- 21 December
- Michelle Hurd is born.
1966 in the Law & Order Universe[]
Unknown[]
- Detective Elliot Stabler is born.
- Kathy Stabler is born
| 1965 | Production timeline | 1967 |