Editing Sinn Féin (section)

====Northern Ireland====
{|class="wikitable" style=text-align:center; font-size:97%;"
! Election
! Leader
! 1st pref. <br />votes
! %
! Seats
! +/−
! EP group
|-
! [[1984 European Parliament election in the United Kingdom#Northern Ireland|1984]]
| rowspan="2" | [[Danny Morrison (Irish republican)|Danny Morrison]]
| 91,476
| 13.35 (#4)
| {{Composition bar|0|3|hex={{party color|Sinn Féin}}}}
| New
| rowspan="4" |−
|-
! [[1989 European Parliament election in the United Kingdom#Northern Ireland|1989]]
| 48,914
| 9.15 (#4)
| {{Composition bar|0|3|hex={{party color|Sinn Féin}}}}
| {{steady}}
|-
! [[1994 European Parliament election in the United Kingdom#Northern Ireland|1994]]
| [[Tom Hartley (politician)|Tom Hartley]]
| 55,215
| 9.86 (#4)
| {{Composition bar|0|3|hex={{party color|Sinn Féin}}}}
| {{steady}}
|-
! [[1999 European Parliament election in the United Kingdom#Northern Ireland|1999]]
| [[Mitchel McLaughlin]]
| 117,643
| 17.33 (#4)
| {{Composition bar|0|3|hex={{party color|Sinn Féin}}}}
| {{steady}}
|-
! [[2004 European Parliament election in the United Kingdom#Northern Ireland|2004]]
| rowspan="2" | [[Bairbre de Brún]]
| 144,541
| 26.31 (#2)
| {{Composition bar|1|3|hex={{party color|Sinn Féin}}}}
| {{increase}} 1
| rowspan="3" |[[European United Left/Nordic Green Left|GUE/NGL]]
|-
! [[2009 European Parliament election in the United Kingdom#Northern Ireland|2009]]
| 126,184
| 25.81 (#1)
| {{Composition bar|1|3|hex={{party color|Sinn Féin}}}}
| {{steady}}
|-
! [[2014 European Parliament election in the United Kingdom|2014]]
| rowspan="2" | [[Martina Anderson]]
| 159,813
| 25.52 (#1)
| {{Composition bar|1|3|hex={{party color|Sinn Féin}}}}
| {{steady}}
|-
! [[2019 European Parliament election in the United Kingdom|2019]]
| 126,951
| 22.17 (#1)
| {{Composition bar|1|3|hex={{party color|Sinn Féin}}}}
| {{steady}}
| [[The Left in the European Parliament - GUE/NGL|The Left]]
|-
|}