Eleven candidates will contest the forthcoming Roscommon-South Leitrim by-election to fill the Dáil seat vacated by newly-elected MEP Luke 'Ming' Flanagan.
The same number of candidates will contest in Dublin South West to replace Fine Gael's Brian Hayes, who was also elected an MEP in May.
Fine Gael councillor Maura Hopkins is the only female candidate in the race in Roscommon-South Leitrim.
She is joined by Fianna Fáil's Ivan Connaughton, Labour senator John Kelly and Sinn Féin's Martin Kenny.
Seven of the candidates are independent or non-party candidates: Emmett Corcoran, Tom Crosby, Michael Fitzmaurice, Des Guckian, John McDermott, Gerry O'Boyle and Denis O'Brien.
In Dublin South West, Cáit Keane is running for Fine Gael and John Lahart is the Fianna Fáil candidate.
Cathal King will contest the election for Sinn Féin and Pamela Kearns will be the Labour candidate.
The Green Party candidate is Francis Noel Duffy and former MEP Paul Murphy is running for the Anti Austerity Alliance.
Nicky Couples has been selected by the People Before Profit Alliance.
There are four independent or non-party candidates: Declan Burke, Colm O'Keeffe, Ronan McMahon and Tony Rochford.
Nominations for the by-election, which will take place on Friday 10 October, closed today at midday.
The polls will open on 10 October at 7am and close at 10pm.