This is a list of the Chairmen of Wiltshire County Council and its successor, Wiltshire Council.

Indefinite term of office

• 1889–1896: John Thynne, 4th Marquess of Bath
• 1896–1906: Lord Edmond Fitzmaurice MP^[1]
• 1906–1946: Thomas Henry Thynne, 5th Marquess of Bath^[2]
• 1946–1949: Colonel R. W. Awdry CBE
• 1949–1960: Alderman J. L. Calderwood CBE
• 1960–1969: Major S. V. Christie-Miller CBE
• 1969–1973: Sir Henry Langton, later Calley DL DFC DSO^[3]
• 1973–1980: Group Captain Frank Willan CBE DFC DL
• 1980–1985: Nigel James Moffat Anderson MC DL
• 1985–1986: Captain P. S. Beale RN
• 1986–1989: Mr J. B. Ainslie OBE
• 1989–1992: Mrs Mary E. Salisbury CBE DL

Chairmen for one year

• 1992–1993: Mrs Marjorie Whitworth
• 1993–1994: Mrs Patricia Rugg
• 1994–1995: Mr Percy L. Jefferies
• 1995–1996: Mrs Dorothea Joan Main
• 1996–1997: Mrs June Wood
• 1997–1998: Mrs Grace Hill
• 1998–1999: Mrs Beryl M. Jay
• 1999–2000: Brigadier Robert Baddeley
• 2000–2001: Lt. Colonel D. B. W. Jarvis
• 2001–2002: Mr J. P. Johnson
• 2002–2003: Mrs Carole Soden^[4]
• 2003–2004: Mr Jerry Willmott^[5]
• 2004–2005: Mr Allan Peach
• 2005–2006: Mr Bill Moss^[6]
• 2006–2007: Mr Kevin Wren^[7]
• 2007–2008: Mrs Judy Seager^[8]
• 2008–2009: Brigadier Robert Hall^[9][10]

Chairmen of Wiltshire Council

• 2009–2012: Brigadier Robert Hall^[11]
• 2012–2014: Mrs Christine Crisp^[11]
• 2014–2015: Roy While^[12]
• 2015–2017: Richard Britton^[13]
• 2017–2019: Alison Bucknell^[14]
• 2019–2020: James Sheppard
• 2020–2021: Richard Gamble^[15]
• 2021–2023: Stuart Wheeler^[16]
• 2023–: James Sheppard^[17]