Flannagan

• Charlie Flannagan, Australian rules footballer
• John Flannagan, multiple people, including:
• *John Flannagan , American sailor and Medal of Honor recipient
• *John Flannagan , Catholic priest and president of St. Ambrose College
• *John Bernard Flannagan American sculptor
• *John W. Flannagan, Jr., American politician
• Sarah-Jane and Anna Flannagan, New Zealand murderers
• Flannagan mac Ceallach, Irish poet