Dennis Lajola (born December 2, 1989) is an American professional tennis player.

He was born in the Philippines and currently makes his home in `Aiea, Honolulu, Hawaii.

He attended the University of Hawaiʻi and received the Western Athletic Conference (WAC) player of the year award in 2011, the first University of Hawaii student to receive that honor.

[1] Dennis has played mostly Futures and Challengers, reaching the quarter-, semi-, and finals of a number of events, won 2007 Oceanic Time Warner Cable Honolulu Futures tennis tournament at the University of Hawai'i courts.

He lost his first main-draw match to Bulgarian Dimitar Kutrovsky, another qualifier.