Template:New Zealand by-elections during the 3rd Parliament

The following table contains the by-elections that have occurred during the term of the 3rd Parliament.

{| class="wikitable" ! By-election !! Electorate !! Date !! Incumbent !! Reason !! Winner
 * - style="text-align:center;"
 * 1861
 * Grey and Bell
 * 20 June
 * William King
 * Death
 * Harry Atkinson
 * 1861
 * Suburbs of Nelson
 * 20 June
 * James Wemyss
 * Resignation
 * William Wells
 * 1861
 * Napier
 * 1 July
 * Henry Stark
 * Resignation
 * William Colenso
 * 1861
 * Wanganui
 * 5 July
 * Henry Harrison
 * Resignation
 * Henry Harrison
 * 1862 (1st)
 * City of Dunedin
 * 17 March
 * Thomas Dick
 * Resignation
 * Thomas Dick
 * 1862
 * Town of New Plymouth
 * 5 May
 * William Richmond
 * Resignation
 * Isaac Watt
 * 1862 (2nd)
 * City of Dunedin
 * 30 May
 * Edward McGlashan
 * Resignation
 * John Richardson
 * 1862
 * Ellesmere
 * 9 June
 * Thomas Rowley
 * Resignation
 * James FitzGerald
 * 1862
 * Avon
 * 11 June
 * Alfred Creyke
 * Resignation
 * William Thomson
 * 1862
 * Heathcote
 * 12 June
 * George Hall
 * Resignation
 * William Moorhouse
 * 1862
 * City of Auckland West
 * 14 June
 * Josiah Firth
 * Resignation
 * James Williamson
 * 1862
 * Bruce
 * 31 July
 * Charles Kettle
 * Death
 * Edward Cargill
 * 1862 (3rd)
 * City of Dunedin
 * 15 November
 * John Richardson
 * Resignation
 * James Paterson
 * 1862
 * Hampden
 * 4 December
 * Thomas Fraser
 * Absence
 * John Jones
 * style="background-color:#EEEEEE;text-align:center;" colspan=6|
 * 1862 (3rd)
 * City of Dunedin
 * 15 November
 * John Richardson
 * Resignation
 * James Paterson
 * 1862
 * Hampden
 * 4 December
 * Thomas Fraser
 * Absence
 * John Jones
 * style="background-color:#EEEEEE;text-align:center;" colspan=6|
 * style="background-color:#EEEEEE;text-align:center;" colspan=6|
 * style="background-color:#EEEEEE;text-align:center;" colspan=6|

Supplementary election, 1863
George Brodie ! By-election !! Electorate !! Date !! Incumbent !! Reason !! Winner
 * colspan=2|Dunedin and Suburbs North
 * colspan=3 | 28 March 1863
 * John Richardson
 * colspan=2|Dunedin and Suburbs South
 * colspan=3 | 6 April 1863
 * William Reynolds
 * colspan=2|Gold Fields
 * colspan=3 | 14 April 1863
 * William Baldwin
 * colspan=2|Gold Fields
 * colspan=3 | 14 April 1863
 * William Baldwin
 * - style="text-align:center;"
 * style="background-color:#EEEEEE;text-align:center;" colspan=6|
 * style="background-color:#EEEEEE;text-align:center;" colspan=6|

3rd Parliament (continued)
|}
 * 1863
 * Dunedin and Suburbs South
 * 20 June
 * James Paterson
 * Resignation
 * James Paterson
 * 1863
 * Hampden
 * 2 July
 * John Jones
 * Resignation
 * Frederick Wayne
 * 1863
 * Kaiapoi
 * 2 September
 * Isaac Cookson
 * Resignation
 * Robert Wilkin
 * 1863
 * Dunedin and Suburbs North
 * 3 September
 * Thomas Dick
 * Resignation
 * Julius Vogel
 * 1863
 * Town of New Plymouth
 * 9 October
 * Isaac Watt
 * Resignation
 * Henry Turton
 * 1863
 * Heathcote
 * 28 October
 * William Moorhouse
 * Resignation
 * Alfred Cox
 * 1863
 * Akaroa
 * 30 October
 * Augustus White
 * Resignation
 * Lancelot Walker
 * 1864
 * Franklin
 * 13 October
 * Marmaduke Nixon
 * Death (KIA)
 * Theodore Haultain
 * 1864
 * Town of New Plymouth
 * 18 November
 * Henry Turton
 * Resignation
 * Charles Brown
 * 1864
 * Waimea
 * 29 November
 * Alfred Saunders
 * Resignation
 * John Miles
 * 1865 (1st)
 * Bruce
 * 8 April
 * Thomas Gillies
 * Resignation
 * Arthur Burns
 * 1865
 * Raglan
 * 19 April
 * Charles Taylor
 * Resignation
 * William Buckland
 * 1865
 * Parnell
 * 20 April
 * Reader Wood
 * Resignation
 * Robert Creighton
 * 1865
 * Town of New Plymouth
 * 19 May
 * Charles Brown
 * Resignation
 * Henry Sewell
 * 1865
 * Gold Fields
 * 29 May
 * William Baldwin
 * Resignation
 * Charles Haughton
 * 1865
 * Rangitiki
 * 10 July
 * William Fox
 * Resignation
 * Robert Pharazyn
 * 1865
 * Omata
 * 18 July
 * James Richmond
 * Appointed to Legislative Council
 * Francis Gledhill
 * 1865 (2nd)
 * Bruce
 * 26 July
 * Edward Cargill
 * Resignation
 * James Macandrew
 * 1865
 * Wairarapa
 * 29 July
 * Charles Carter
 * Resignation
 * Henry Bunny
 * Omata
 * 18 July
 * James Richmond
 * Appointed to Legislative Council
 * Francis Gledhill
 * 1865 (2nd)
 * Bruce
 * 26 July
 * Edward Cargill
 * Resignation
 * James Macandrew
 * 1865
 * Wairarapa
 * 29 July
 * Charles Carter
 * Resignation
 * Henry Bunny
 * Resignation
 * Henry Bunny