The popular 98FM 'Now That's What I Call Sport' presenter and Today FM Premier League Live host 'died suddenly and peacefully at his home' in Dublin.
In a statement this evening Management at 98FM said Mr Lyons' colleagues are "heartbroken" at the news of his death.
Johnny was 98FM's sports editor, having worked there for over 20 years.
They described the presenter as the "backbone" of their sports team at the station.
"His distinctive voice and his passion for soccer defined Johnny for so many of his listeners.
"He was a talented presenter with a deep knowledge and love of sport and his Sunday morning programme ‘Now that’s What I Call Sport’ was a weekly date for so many Dubliners."
Chief Executive of 98FM Keith McCormack paid tribute to Johnny saying: "The entire station is devastated with the sudden passing of a beloved colleague. Johnny, with his larger than life personality, was loved by all listeners and colleagues alike.
"He was a huge part of the 98FM family and will be dearly missed, we would like to extend our deepest sympathies to his family at this time.
"May he rest in peace".
98FM said they will be paying tribute to Johnny on air over the next few days.
