Lawrence E. Jacobsen (July 1, 1921 – July 26, 2006), was an American politician who was a Republican member of the Nevada General Assembly. He served in the Assembly from 1963 to 1977 and the Senate from 1978 to 2002.During his time in the Senate, he was Speaker pro tempore in 1969, and President pro tempore from 1987 to 1990 and from 1993 to 1995. He served in the United States Navy during World War II and is a Pearl Harbor survivor. He was retired from the petroleum products industry.