Television:
* The Voice of Ireland: Nicky Byrne was a coach on this singing competition show from 2015 to 2022.
* Dancing with the Stars Ireland: Byrne was a contestant in 2017, winning the competition with professional dancer, Karen Byrne. He returned as a judge in 2022.
* The Late Late Show: Byrne has been a guest on this popular Irish talk show multiple times.
* The Late Late Toy Show: Byrne has appeared on this special edition of the Late Late Show, showcasing toys for children.
* Celebrity Bake Off Ireland: He participated in this baking competition show in 2022.
* The Nicky Byrne Show: He hosted this radio show on RTÉ 2fm from 2018 to 2022.
* Republic of Telly: Byrne appeared on this satirical comedy show in 2022.
* You're A Star: He was a contestant on this talent show in 2000, launching his music career.
Film:
* A Christmas Number One: Byrne starred in this Irish Christmas comedy film in 2016.
* The Clinic: He made a cameo appearance in this Irish medical drama in 2008.
It's worth noting that Nicky Byrne is primarily known for his music career as part of the boy band Westlife. His television appearances are often related to his musical achievements and talent.