Editing Prime Minister of Iceland (section)

===Kingdom (1918–1944)===
{{further|Kingdom of Iceland}}

'''Political party:'''
{{legend2|blue|[[Home Rule Party (Iceland)|Home Rule]]|border=1px solid #AAAAAA}}
{{legend2|{{party color|Independence Party (Iceland)}}|[[Independence Party (Iceland)|Independence]]|border=1px solid #AAAAAA}}
{{legend2|{{party color|Conservative Party (Iceland)}}|[[Conservative Party (Iceland)|Conservative]]|border=1px solid #AAAAAA}}
{{legend2|{{party color|Progressive Party (Iceland)}}|[[Progressive Party (Iceland)|Progressive]]|border=1px solid #AAAAAA}}
{{legend2|{{party color|Independent (politician)}}|[[Independent politician|Independent]]|border=1px solid #AAAAAA}}

{|class="wikitable" style="text-align:center; font-size:95%; border:1px #AAAAFF solid"
|-
! rowspan=2 |{{Abbr|No.|Number}}
! rowspan=2 |Portrait
! rowspan=2 |Name<br />{{small|(Birth–Death)<br />Constituency}}
! colspan=4 |Term of office
! rowspan=2 colspan=2 |Political Party
! rowspan=2 |Cabinet
! rowspan=2 |Election
! rowspan=2 |Monarch<br/>(Reign)
|-
! #
! Took office
! Left office
! Days
|- style="background:#EEEEEE"
|-

! rowspan="2" |6
| rowspan=2 |[[File:Jón Magnússon1.jpg|70px]]
| rowspan=2 |'''[[Jón Magnússon (politician)|Jón Magnússon]]'''<br />{{small|(1859–1926)<br />MP for [[Reykjavík]] until 1920<br />not in Parliament from 1920}}
| [[First cabinet of Jón Magnússon|1]]
| {{smaller|4 January}}<br/>1917
| {{smaller|25 February}}<br/>1920
| rowspan=2|{{age in days|1917|1|4|1922|3|7}}
! rowspan=2 style="background:blue;" |
| rowspan=2|[[Home Rule Party (Iceland)|Home Rule Party]]
| [[Home Rule Party (Iceland)|HP]]–[[Independence Party (Iceland, historical)|IP]]–[[Progressive Party (Iceland)|PP]]
| bgcolor=blue|[[October 1916 Icelandic parliamentary election|{{colour|white|{{small|Oct.}}<br/>1916}}]]
| rowspan=18|{{small|'''[[Kristján X]]'''}}<br/>[[File:Christian X of Denmark circa 1915.jpg|70px]]<br />{{small|(1918–1944)}}
|-
| [[Second cabinet of Jón Magnússon|2]]
| {{smaller|25 February}}<br/>1920
| {{smaller|7 March}}<br/>1922
| [[Home Rule Party (Iceland)|HP]]–others
| rowspan=2 bgcolor=blue|[[1919 Icelandic parliamentary election|{{colour|white|1919}}]]
|-

! rowspan="2" |(4)
| rowspan=2|[[File:Sigurður Eggerz.jpg|70px]]
| rowspan=2|'''[[Sigurður Eggerz]]'''<br />{{small|(1875–1945)<br />MP without constituency}}
| rowspan=2|[[Cabinet of Sigurður Eggerz|1]]
| rowspan=2|{{smaller|7 March}}<br/>1922
| rowspan=2|{{smaller|22 March}}<br/>1924
| rowspan=2|{{age in days|1922|3|7|1924|3|22}}
! rowspan=2 style="background:{{party color|Independence Party (Iceland)}};" |
| rowspan=2|[[Independence Party (Iceland, historical)|Independence Party]]
| rowspan=2|[[Independence Party (Iceland, historical)|IP]]–others
|-
| rowspan=4 bgcolor={{party color|Conservative Party (Iceland)}}|[[1923 Icelandic parliamentary election|{{colour|white|1923}}]]
|-

! (6)
| [[File:Jón Magnússon1.jpg|70px]]
| '''[[Jón Magnússon (politician)|Jón Magnússon]]'''<br />{{small|(1859–1926)<br />MP without constituency}}
| rowspan=2|[[Third cabinet of Jón Magnússon|3]]
| {{smaller|22 March}}<br/>1924
| {{smaller|23 June}}<br/>1926<br/>{{small|(died)}}
| {{age in days|1924|3|22|1926|6|23}}
! style="background:{{party color|Conservative Party (Iceland)}};" |
| [[Conservative Party (Iceland)|Conservative Party]]
| rowspan="3" |[[Conservative Party (Iceland)|CP]]
|-

! 7
| [[File:Magnús Guðmundsson.jpg|70px]]
| [[Magnús Guðmundsson]]<br />{{small|Acting}}<br />{{small|(1879–1937)<br />MP for [[Skagafjarðarsýsla]]}}
| {{smaller|23 June}}<br/>1926
| {{smaller|8 July}}<br/>1926
| {{age in days|1926|6|23|1926|7|8}}
! style="background:{{party color|Conservative Party (Iceland)}};" |
| [[Conservative Party (Iceland)|Conservative Party]]
|-

!8
| [[File:JThorl1927.jpg|frameless|97x97px]]
| '''[[Jón Þorláksson]]'''<br />(1877–1935)<br />{{small|MP without constituency}}
| [[Cabinet of Jón Þorláksson|1]]
| {{smaller|8 July}}<br/>1926
| {{smaller|28 August}}<br/>1927
| {{age in days|1926|7|8|1927|8|28}}
! style="background:{{party color|Conservative Party (Iceland)}};" |
| [[Conservative Party (Iceland)|Conservative Party]]
|-

! rowspan="2" |9
| rowspan=2| [[File:Tryggvi Þórhallson.jpg|frameless|87x87px]]
| rowspan=2|'''[[Tryggvi Þórhallsson]]'''<br />{{small|(1889–1935)<br />MP for [[Strandasýsla]]}}
| rowspan=2|[[Cabinet of Tryggvi Þórhallsson|1]]
| rowspan=2|{{smaller|28 August}}<br/>1927
| rowspan=2|{{smaller|3 June}}<br/>1932
| rowspan=2|{{age in days|1927|8|28|1932|6|3}}
! rowspan=2 style="background:{{party color|Progressive Party (Iceland)}};" |
| rowspan=2|[[Progressive Party (Iceland)|Progressive Party]]
| rowspan=2|[[Progressive Party (Iceland)|PP]]
| bgcolor={{party color|Progressive Party (Iceland)}} |[[1927 Icelandic parliamentary election|{{colour|white|1927}}]]
|-
|rowspan=2 bgcolor={{party color|Progressive Party (Iceland)}} |[[1931 Icelandic parliamentary election|{{colour|white|1931}}]]
|-

! rowspan="2" |10
| rowspan=2|[[File:Asgeir Asgeirsson.jpg|70px]]
| rowspan=2|'''[[Ásgeir Ásgeirsson]]'''<br />{{small|(1894–1972)<br />MP for [[Vestur-Ísafjarðarsýsla|West Ísafjarðarsýsla]]}}
| rowspan=2|[[Cabinet of Ásgeir Ásgeirsson|1]]
| rowspan=2|{{smaller|3 June}}<br/>1932
| rowspan=2|{{smaller|28 July}}<br/>1934
| rowspan=2|{{age in days|1932|6|3|1934|7|28}}
! rowspan=2 style="background:{{party color|Progressive Party (Iceland)}};" |
| rowspan=2|[[Progressive Party (Iceland)|Progressive Party]]
| rowspan=2|[[Progressive Party (Iceland)|PP]]–[[Independence Party (Iceland)|IP]]–Peasants
|-
| bgcolor={{party color|Independence Party (Iceland)}} |[[1933 Icelandic parliamentary election|{{colour|white|1933}}]]
|-

! rowspan="4" |11
| rowspan=4|[[File:Hermann Jonasson.jpg|70px]]
| rowspan=4|'''[[Hermann Jónasson]]'''<br />{{small|(1896–1976)<br />MP for [[Strandasýsla]]}}
| [[First cabinet of Hermann Jónasson|1]]
| rowspan="4" |{{smaller|28 July}}<br/>1934
| rowspan="4" |{{smaller|16 May}}<br/>1942
| rowspan=4|{{age in days|1934|7|28|1942|5|16}}
! rowspan=4 style="background:{{party color|Progressive Party (Iceland)}};" |
| rowspan=4|[[Progressive Party (Iceland)|Progressive Party]]
| [[Progressive Party (Iceland)|PP]]–[[Social Democratic Party (Iceland)|SDP]]
| bgcolor={{party color|Independence Party (Iceland)}} |[[1934 Icelandic parliamentary election|{{colour|white|1934}}]]
|-
| [[Second cabinet of Hermann Jónasson|2]]
| [[Progressive Party (Iceland)|PP]]
| rowspan=3 bgcolor={{party color|Progressive Party (Iceland)}} |[[1937 Icelandic parliamentary election|{{colour|white|1937}}]]
|-
| [[Third cabinet of Hermann Jónasson|3]]
| rowspan="2" |[[Progressive Party (Iceland)|PP]]–[[Independence Party (Iceland)|IP]]–[[Social Democratic Party (Iceland)|SDP]]
|-
| [[Fourth cabinet of Hermann Jónasson|4]]
|-

! rowspan="2" |12
| rowspan=2| [[File:Olafur Thors.jpg|frameless|95x95px]]
| rowspan=2|'''[[Ólafur Thors]]'''<br />{{small|(1892–1964)<br />MP for Gullbringu and Kjósarsýsla}}
| rowspan=2|[[First cabinet of Ólafur Thors|1]]
| rowspan=2|{{smaller|16 May}}<br/>1942
| rowspan=2|{{smaller|16 December}}<br/>1942
| rowspan=2|{{age in days|1942|5|16|1942|12|16}}
! rowspan=2 style="background:{{party color|Independence Party (Iceland)}};" |
| rowspan=2|[[Independence Party (Iceland)|Independence Party]]
| rowspan=2|[[Independence Party (Iceland)|IP]]
| bgcolor={{party color|Independence Party (Iceland)}} |[[July 1942 Icelandic parliamentary election|{{colour|white|{{small|Jul.}}<br/>1942}}]]
|-
| rowspan=2 bgcolor={{party color|Independence Party (Iceland)}} |[[October 1942 Icelandic parliamentary election|{{colour|white|{{small|Oct.}}<br/>1942}}]]
|-

! 13
| [[File:Björn Þórðarson.png|70px]]
|'''[[Björn Þórðarson]]'''<br />{{small|(1879–1963)<br />Not in Parliament}}
| [[Cabinet of Björn Þórðarson|1]]
| {{smaller|16 December}}<br/>1942
| {{smaller|21 October}}<br/>1944
| {{age in days|1942|12|16|1944|10|21}}
! style="background:{{party color|Independent (politician)}};" |
| [[Independent politician|Independent]]
|}