芽孢桿菌科（_Bacillaceae_）是芽孢桿菌目的一科細菌。該屬的模式種為芽孢桿菌屬（_Bacillaceae_）。



下屬分類

本科包括以下屬：


* 好氧芽胞桿菌屬 _Aeribacillus_ Miñana-Galbis et al. 2010

* _Aliibacillus_ Xu et al. 2019

* 鹼芽胞桿菌屬 _Alkalibacillus_ Jeon et al. 2005

* _Alkalicoccus_ Zhao et al. 2017

* _Alkalihalobacillus_ Patel and Gupta 2020

* _Alkalilactibacillus_ Schmidt et al. 2016

* 別樣芽胞桿菌屬 _Allobacillus_ Sheu et al. 2011

* 交替芽胞桿菌屬 _Alteribacillus_ Didari et al. 2012

* _Alteribacter_ Gupta et al. 2020

* 兼性芽胞桿菌屬 _Amphibacillus_ Niimura et al. 1990

* 厭氧芽胞桿菌屬 _Anaerobacillus_ Zavarzina et al. 2010

* 無氧芽胞桿菌屬 _Anoxybacillus_ Pikuta et al. 2000

* 水芽胞桿菌屬 _Aquibacillus_ Amoozegar et al. 2014

* 居鹽水芽胞桿菌屬 _Aquisalibacillus_ Márquez et al. 2008

* _Aureibacillus_ Liu et al. 2015

* 芽孢桿菌屬 _Bacillus_ Cohn 1872

* 熱鹼芽胞桿菌屬 _Caldalkalibacillus_ Xue et al. 2006

* 熱芽胞桿菌屬 _Caldibacillus_ Coorevits et al. 2012

* _Calditerricola_ Moriya et al. 2011

* _Calidifontibacillus_ Adiguzel et al. 2020

* _Camelliibacillus_ Lin et al. 2018

* 櫻桃樣芽胞桿菌屬 _Cerasibacillus_ Nakamura et al. 2004

* 堆肥芽胞桿菌屬 _Compostibacillus_ Yu et al. 2015

* _Cytobacillus_ Patel and Gupta 2020

* _Desertibacillus_ Bhatt et al. 2017

* 房間芽胞桿菌屬 _Domibacillus_ Seiler et al. 2013

* _Ectobacillus_ Gupta et al. 2020

* _Evansella_ Gupta et al. 2020

* 假芽胞桿菌屬 _Falsibacillus_ Zhou et al. 2009

* _Ferdinandcohnia_ Gupta et al. 2020

* _Fermentibacillus_ Hirota et al. 2016

* 虛構芽胞桿菌屬 _Fictibacillus_ Glaeser et al. 2013

* 線芽胞桿菌屬 _Filobacillus_ Schlesner et al. 2001

* 地芽胞桿菌屬 _Geobacillus_ Nazina et al. 2001

* _Geomicrobium_ Echigo et al. 2010

* _Gottfriedia_ Gupta et al. 2020

* 纖細芽胞桿菌屬 _Gracilibacillus_ Wainø et al. 1999

* 喜鹽鹼芽胞桿菌屬 _Halalkalibacillus_ Echigo et al. 2007

* 喜鹽芽胞桿菌屬 _Halobacillus_ Spring et al. 1996

* 鹽乳芽胞桿菌屬 _Halolactibacillus_ Ishikawa et al. 2005

* _Heyndrickxia_ Gupta et al. 2020

* 解氫芽胞桿菌屬 _Hydrogenibacillus_ Kämpfer et al. 2013

* 吉林芽胞桿菌屬 _Jilinbncillus_

* _Lederbergia Gupta_ et al. 2020

* 慢生芽胞桿菌屬 _Lentibacillus_ Yoon et al. 2002

* _Litchfieldia_ Gupta et al. 2020

* _Lottiidibacillus_ Liu et al. 2020

* 賴氨酸芽胞桿菌屬 _Lysinibacillus_

* _Margalitia_ Gupta et al. 2020

* 海球菌屬 _Marinococcus_ Hao et al. 1985

* _Melghiribacillus_ Addou et al. 2015

* _Mesobacillus_ Patel and Gupta 2020

* _Metabacillus_ Patel and Gupta 2020

* _Microaerobacter_ Khelifi et al. 2011

* 高鈉芽胞桿菌屬 _Natribacillus_ Echigo et al. 2012

* 嗜鹼芽胞桿菌屬 _Natronobacillus_ Sorokin et al. 2009

* _Neobacillus_ Patel and Gupta 2020

* _Niallia_ Gupta et al. 2020

* 大洋芽胞桿菌屬 _Oceanobacillus_ Lu et al. 2002

* 鳥氨酸芽胞桿菌屬 _Ornithinibacillus_ Mayr et al. 2006

* _Parageobacillus_ Aliyu et al. 2019

* 海境勞胞桿菌屬 _Paraliobacillus_ Ishikawa et al. 2003

* _Paralkalibacillus_ Hirota et al. 2017

* 少鹽芽胞桿菌屬 _Paucisalibacillus_ Nunes et al. 2006

* _Pelagibacillus_ Kim et al. 2007

* _Pelagirhabdus_ Sultanpuram et al. 2016

* _Peribacillus_ Patel and Gupta 2020

* 魚芽胞桿菌屬 _Piscibacillus_ Tanasupawat et al. 2007

* _Polygonibacillus_ Hirota et al. 2016

* 海芽胞桿菌屬 _Pontibacillus_ Lim et al. 2005

* _Pradoshia_ Saha et al. 2019

* _Priestia_ Gupta et al. 2020

* 假纖細芽胞桿菌屬 _Pseudogracilibacillus_ Glaeser et al. 2014

* 嗜冷芽胞桿菌屬 _Psychrobacillus_

* _Pueribacillus_ Wang et al. 2018

* _Radiobacillus_ Li et al. 2020

* _Robertmurraya_ Gupta et al. 2020

* _Rossellomorea_ Gupta et al. 2020

* 糖球菌屬 _Saccharococcus_ Nystrand 1984

* _Salibacillus_ Wainø et al. 1999

* _Salibacterium_ Reddy et al. 2015

* _Salimicrobium_ Yoon et al. 2007

* 鹽漬芽胞桿菌屬 _Salinibacillus_ Ren and Zhou 2005

* _Salipaludibacillus_ Sultanpuram and Mothe 2016

* _Salirhabdus_ Albuquerque et al. 2007

* _Salisediminibacterium_ Jiang et al. 2012

* 居鹽土芽胞桿菌屬 _Saliterribacillus_ Amoozegar et al. 2013

* 棲鹽水芽胞桿菌屬 _Salsuginibacillus_ Carrasco et al. 2007

* _Schinkia_ Gupta et al. 2020

* 沉積物芽胞桿菌屬 _Sediminibacillus_ Carrasco et al. 2008

* _Siminovitchia_ Gupta et al. 2020

* 中華芽胞桿菌屬 _Sinibacillus_ Yang and Zhou 2014

* _Sinobaca_ Li et al. 2008

* _Sinococcus_ Li et al. 2006

* 易彎鹽芽胞桿菌屬 _Streptohalobacillus_ Wang et al. 2011

* _Sutcliffiella_ Gupta et al. 2020

* _Swionibacillus_ Li et al. 2017

* 細纖芽胞桿菌屬 _Tenuibacillus_ Ren and Zhou 2005

* 微溫芽胞桿菌屬 _Tepidibacillus_ Slobodkina et al. 2014

* 土地芽胞桿菌屬 _Terribacillus_ An et al. 2007

* _Terrilactibacillus_ Prasirtsak et al. 2016

* 德斯科科芽胞桿菌屬 _Texcoconibacillus_ Ruiz-Romero et al. 2013

* 深海芽胞桿菌屬 _Thalassobacillus_ García et al. 2005

* _Thalassorhabdus_ Sultanpuram and Mothe 2018

* 高溫長型芽胞桿菌 _Thermolongibacillus_ Cihan et al. 2014

* 枝芽胞桿菌屬 _Virgibacillus_ Heyndrickx et al. 1998

* 綠芽胞桿菌屬 _Viridibacillus_ Albert et al. 2007

* 火山芽胞桿菌屬 _Vulcanibacillus_ L'Haridon et al. 2006

* _Weizmannia_ Gupta et al. 2020