Yes, Freetown Lungi International Airport (FNA) has a lounge, a modest facility rather than a large international showpiece, and for most travellers it is not even the biggest logistical question at this airport. Lungi sits across the wide Sierra Leone River estuary from Freetown itself, so the real planning challenge here is usually the water crossing into the city, not the lounge.
The lounge at FNA is a small VIP or business-style space, generally reserved for premium-cabin passengers, certain airline elite-status holders, or those able to arrange access directly, with basic seating and refreshments rather than an elaborate amenity list. It is not part of a confirmed global Priority Pass or major card-network directory in the way lounges at larger West African hubs might be, so treat any such coverage as unconfirmed and check directly with your airline or program before you fly.
The bigger practical reality at Lungi is genuinely the estuary crossing: because the airport sits on the opposite shore from Freetown's city center, travellers rely on a water taxi, ferry, or helicopter transfer to complete the journey, a well-known feature of flying into Sierra Leone's capital that shapes most itineraries more than lounge access does. Arriving passengers should build real time into their schedule for this crossing rather than assuming a quick road transfer, since it is a defining part of the Lungi arrival experience.
If lounge access is available to you through a premium ticket or status, it is a genuinely useful stop before a flight out of Freetown, offering a quieter wait than the general terminal. But plan your overall itinerary around the water crossing first: confirm your transfer method to or from Freetown proper well ahead of time, since that logistics step, not the lounge, is what actually determines how smooth your Lungi experience will be.