No they don't. Pineapples grow in the middle of a plant which grows up to 1.5 metres tall. The plant produces only one fruit and then dies.
I took the above photos of pineapple plants in Indonesia around Bojong Nangka, near Gunung Putri (location details in Panoramio).
I took the above photos of pineapple plants in Indonesia around Bojong Nangka, near Gunung Putri (location details in Panoramio).