Dennis "Dinny" Pails (4 March 1921 – 22 November 1986) was an Australian tennis champion.

Pails defeated John Bromwich in the final in five sets, saving a match point in the process.

According to the tour promoter Jack Kramer, Pails beat Pancho Segura 41 to 31 matches in the 1948 tour,[6] "but that was when Sego was still learning how to play fast surfaces.

"[citation needed] Kramer beat Pails "55 times with 1 draw, but somehow we were able to forget that off the court.

"[citation needed] In November and December 1950, Pails won a four-man tour of New Zealand against Pancho Gonzales, Don Budge, and Frank Parker.