Gail Kopplin (May 20, 1939 – January 13, 2021) was a politician from the U.S. state of Nebraska.
From 2005 to 2009, he represented the 3rd District in the unicameral Nebraska Legislature.
Kopplin was born in Sterling, Nebraska and graduated from Peru State College in 1966.
He was elected in 2004 to represent the 3rd Nebraska legislative district.
Kopplin sat on the Education and Natural Resources committees.