| Honorific-Prefix: | The Honourable |
| Peter Styles | |
| Office1: | Deputy Chief Minister of the Northern Territory |
| Leader1: | Adam Giles |
| Term Start1: | 16 February 2016 |
| Term End1: | 31 August 2016 |
| Predecessor1: | Willem Westra van Holthe |
| Successor1: | Nicole Manison |
| Constituency Mp2: | Sanderson |
| Parliament2: | Northern Territory |
| Term Start2: | 9 August 2008 |
| Term End2: | 27 August 2016 |
| Predecessor2: | Len Kiely |
| Successor2: | Kate Worden |
| Birth Date: | 1953 7, df=yes |
| Birth Place: | Perth, Western Australia |
| Alma Mater: | Charles Darwin University |
| Spouse: | Linda Fazldeen |
| Occupation: | Police officer |
Peter Donald Styles (born 8 July 1953) is an Australian politician. He was a Country Liberal Party member of the Northern Territory Legislative Assembly from 2008 to 2016, representing the electorate of Sanderson.
Born in Perth, Western Australia, Styles owned and operated a multi-purpose ship and worked as a public servant for the state government, before joining Western Australia Police. In 1981, he moved to Darwin and transferred to the Northern Territory Police where he served for 27 years. In 1991, he was awarded the National Medal, and was upgraded to 1st clasp in 2001.|}
In 2008, he ran for parliament and was elected to the seat of Sanderson.[1] He first served in the new CLP government as the Government Whip and Parliamentary Secretary assisting the Chief Minister with Multicultural Affairs, Young Territorians and Senior Territorians.[2] He was later appointed to cabinet as Minister for Business; Racing, Gaming and Licensing; Asian Engagement and Trade; Employment and Training; Corporate and Information Services; Multicultural Affairs; Young Territorians; Senior Territorians; and Defence Industries. In February 2016, he was also voted deputy leader of the Country Liberals and became Deputy Chief Minister of the Northern Territory following the resignation from cabinet of Willem Westra van Holthe.
Peter announced his support for voluntary euthanasia in 2010, citing his experience watching his wife Rhonda die from a terminal illness in 1989.[3]
In April 2022, Styles and his wife left the Country Liberal Party, citing "concerns over the future direction of the party".[4]