The Department of Foreign Affairs says it's carefully monitoring the situation in Niger.
The nation's airspace has been closed, after coup leaders rejected a deadline from its neighbours to reinstate the country's president.
The West African regional bloc had given junta leaders until last night to return the ousted Mohamed Bazoum to power, threatening military action if they did not.
The Department of Foreign Affrairs says it has not received any requests for consular assistance from Irish citizens in Niger as of yet.
Anyone in need of assistance is advised to contact the Embassy of Ireland in Nigeria.