筑肥線
&lt;mapframe width="300" height="200" text="筑肥線経路地図 （黒色:現路線、赤色:廃止）"&gt;
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筑肥線（ちくひせん）は、福岡県福岡市西区の姪浜駅から佐賀県唐津市の唐津駅まで、および唐津市の山本駅から佐賀県伊万里市の伊万里駅までを結ぶ九州旅客鉄道（JR九州）の鉄道路線（幹線）である。