Fischer, de nacencia '''Regina Marie Fischer''', nació en Fort Wayne, Indiana, fía d'Anne y Jim Fischer, y creció en St. Louis, Missouri.<ref>[httphttps://www.imdb.com/name/nm0278979/bio Fischer's biography] from [//es.wikipedia.org/wiki/IMDb IMDb]</ref> Allegó a la Escuela Elemental de Pierremont, y dempués estudió nel Institutu Nerinx Hall na periferia de Webster Groves, Missouri.<ref>[https://web.archive.org/web/20080229104918/http://community.tvguide.com/blog-entry/Celebrity-Blogs/Jennas-Blog/Office-Questions-Answered/800000401 The Office: Your Questions Answered!], an April 2006 entry by Fischer in the ''[//es.wikipedia.org/wiki/TV_Guide TV Guide]'' Insider blog</ref> Más tarde cursó estudios d'Artes Teatrales na Universidá Truman State.<ref name="truman">[https://web.archive.org/web/20071129214956/http://www.trumanindex.com/media/storage/paper607/news/2005/04/07/Trulife/Alumna.Works.In.the.Office.On.Nbc-915965.shtml Alumna works in "The Office" on NBC], Interview with student newspaper of Fischer's [//es.wikipedia.org/wiki/Alma_mater alma mater]</ref>
El [[7 d'ochobre]] de [[2000]], Fischer #casar col direutor de Hollywood [[James Gunn]], hermanu del antiguu amigu de Jenna Sían Gunn.<ref>[https://web.archive.org/web/20090305002335/http://www.nbc.com/The_Office/bios/jenna_fischer.shtml Biography of Jenna Fischer] from the [//es.wikipedia.org/wiki/National_Broadcasting_Company NBC] website for ''The Office''</ref>
