| Honorific-Prefix: | The Honourable |
| Dr Ken Coghill | |
| Honorific-Suffix: | MP |
| Office1: | Speaker of the Victorian Legislative Assembly |
| Term Start1: | 25 October 1988 |
| Term End1: | 26 October 1992 |
| Premier1: | John Cain |
| Predecessor1: | Tom Edmunds |
| Successor1: | John Delzoppo |
| Constituency Am2: | Werribee |
| Assembly2: | Victorian Legislative |
| Term Start2: | 5 May 1979 |
| Term End2: | 30 March 1996 |
| Predecessor2: | Neville Hudson |
| Successor2: | Mary Gillett |
| Birth Date: | 1944 11, df=yes |
| Birth Place: | Mansfield, Victoria, Australia |
| Birthname: | Kenneth Alistair Coghill |
| Spouse: | Judith Wakeman (m.1969; div.2007) Julia Thornton (m.2008) |
| Children: | One |
| Party: | Labor |
Kenneth Alistair Coghill (born 10 November 1944 in Mansfield, Victoria) is a former Australian politician.
Educated at Caulfield Grammar School, Coghill studied Veterinary Science at the University of Melbourne and worked as a veterinarian before serving on the Wodonga City Council. He entered the Victorian Legislative Assembly as a Labor Party Member for Werribee in the 1979 State elections, and served as the Speaker of the Victorian Legislative Assembly from 1988 to 1992.
After retiring from Parliament in 1995, he earned a Ph.D. from the University of Melbourne. He is currently an associate professor at Monash University.[1]