Denis McCullough (24 January 1883 – 11 September 1968) was a prominent Irish nationalist political activist in the early 20th century, who served as President of the Irish Republican Brotherhood (IRB) from 1915 to 1916.
Denis McCullough, conegut com a Donnchadha Mac Con Uladh en irlandès (Belfast, 24 de gener de 1883 – 11 de setembre de 1968), va ser un polític i activista nacionalista irlandès de principis del segle xx. (ca)
Denis McCullough (24 January 1883 – 11 September 1968) was a prominent Irish nationalist political activist in the early 20th century, who served as President of the Irish Republican Brotherhood (IRB) from 1915 to 1916. (en)
Polaiteoir Éireannach ab ea Denis McCullough (24 Eanáir 1883 - 11 Meán Fómhair 1968). Bhí sé ina bhall de Shinn Féin ar dtús agus ansin de Chumann na nGaedheal. (ga)