As the official Irish State Guesthouse, Farmleigh has welcomed important visitors from all over the world.
Visitors that have stayed in Farmleigh include Presidents, Prime Ministers, Queens, Emperors, and UN Secretary Generals. Notable recent guests have included Her Majesty, Queen Elizabeth II, Prime Minister Justin Trudeau, and the Emperor and Empress of Japan. Previous visitors to Farmleigh have included Barack and Michelle Obama, Tony Blair, Prince Albert II of Monaco and Charlene, Princess of Monaco. These visitors have enjoyed all the delights that Farmleigh offer, including walks through the walled garden and grounds and appreciation of the State Art Collection within the estate.
- The Prime Minister of Canada, Stephen Harper, with An Taoiseach Enda Kenny TD, at Farmleigh House in June 2013. Maxwell Photography.
- Mary Heffernan, General Manager at Farmleigh, with President of Ireland, Mary McAleese, her husband Martin McAleese, Prince Philip, Duke of Edinburgh, and Queen Elizabeth II, at Farmleigh in 2011. Maxwell Photography.
- HRH The Prince of Wales and the Duchess of Cornwall at Farmleigh in May 2017. Maxwell Photography.
- The President of the United States of America Barack Obama after he was presented with a hurley from Taoiseach Enda Kenny while in Farmleigh in May 2011. Maxwell Photography.
- Their Majesties the Emperor and Empress of Japan. Maxwell Photography.
- The President of the Federal Republic of Germany H.E. Mr Joachim Gauck Meeting with Simon Harris TD in Farmleigh House on the second day of their State Visit to Ireland in July 2015. Maxwell Photography.
- United Nations Secretary General Ban Ki Moon with his wife, Yoo Soon-taek, and the Tánaiste Joan Burton, at Farmleigh House in 2015. Maxwell Photography.
- Taoiseach Leo Varadkar and Prime Minister of Canada Justin Trudeau at Farmleigh, in 2017.