Matsushima ya/Aa Matsushima ya/Matsushima ya' (Matsushima, Ah! Matsushima! Matsushima!) is commonly known as Basho's haiku, but it is actually attributed to Tawarabo, a kyoka (comic (satirical) tanka) writer in the late Edo period.
芭蕉の作と言われている「松島やああ松島や松島や」は、実際は江戸時代後期の狂歌師・田原坊の作とされている。