Firth na Clyde wani lokaci ne na yanki wanda ke nufin ruwa da bakin teku da ke kwance a gabar yammacin Scotland, wanda ya tashi daga Mull na Kintyre a kudu zuwa Greenock a arewa. Kalmar "firth" kalma ce ta Scotland wacce ke nufin dogon mashigar ruwa mai kunkuntar, yayin da "Clyde" shine sunan kogin da ke gudana zuwa cikin firth. Firth na Clyde an san shi da kyawun kyan gani kuma yanki ne mai mahimmanci don kamun kifi, jigilar kaya, da yawon buɗe ido.