Dave Dennis (born 20 January 1986) is a retired Australian rugby union player who played professionally for the LA Giltinis of Major League Rugby (MLR) in the United States.

[1] His primary position is lock or blindside flanker, but can also play No.8.

[2] He was educated at Richmond High School in Sydney, when he played in the Australian Schoolboys Rugby team in 2004.

In March 2013, Dennis became Waratahs captain.

[4] He started the final as Exeter Chiefs defeated Wasps to be crowned champions of the 2016–17 English Premiership.