Jacob Alexander "Lecky" Haller (born 2 August 1957 in Glencoe, Maryland) is an American slalom canoeist who competed from the early 1980s to the early 2000s.

Lecky graduated from Washington College in 1981 and until 2012 a 7th grade teacher at French Broad River Academy in Asheville.

Now he is a Football, Wrestling, Ski and lacrosse coach at The Asheville School in North Carolina.

[1] Haller also competed in two Summer Olympics, earning his best finish of fourth in the C2 event in Barcelona in 1992.

He was also partnered by his younger brother Fritz Haller and Matt Taylor during his career.