The following is a list of past presidents of the Oconomowoc Rotary Club since its inception in 1925.
| 2022 | John Scambler | ||
| 2021 | Jackie Foti | ||
| 2020 | Kevin Pehler | ||
| 2019 | Kevin Pehler | ||
| 2018 | Angie Bolson | ||
| 2017 | Sarah Butz | ||
| 2016 | Glenn Hanon | ||
| 2015 | Mike Herro | ||
| 2014 | Rick Eckert | ||
| 2013 | Paula Jacobs | ||
| 2012 | Randy Otto | ||
| 2011 | Rick Ornberg | 1968 | Jack Kinn |
| 2010 | John Mezydlo | 1967 | Duane W. Thorsen |
| 2009 | Bob Duffy | 1966 | James L. Atherton |
| 2008 | Kevin Passon | 1965 | Thomas J Snyder |
| 2007 | Ken Johnson | 1964 | Ralph E. Howland |
| 2006 | Maury Sullivan | 1963 | Ken N. Chandler |
| 2005 | Joel Lammers | 1962 | Elmer A. Woelffer |
| 2004 | Rita Prescott | 1961 | Bruce C. Brown |
| 2003 | Brad Kraut | 1960 | W.A. Andrews |
| 2002 | Vytautas Janusonis | 1959 | Charles J. Herro |
| 2001 | Richard Muehlbauer | 1958 | B.S. Zimmermann |
| 2000 | Megan Welsh | 1957 | Lester W. Birbaum |
| 1999 | David Breckenfelder | 1956 | Peter Keck |
| 1998 | Mark X. Herro | 1955 | George F. Markham Jr. |
| 1997 | Jerome McNellis | 1954 | Matt Franke |
| 1996 | Mary Steinke | 1953 | Harold D. Hornberg |
| 1995 | Phillip G. Holland | 1952 | George C. Johnson Jr. |
| 1994 | Donald Thomas | 1951 | W. Paul Benzinger |
| 1993 | George Stumpf | 1950 | Ervin E. Kinkel |
| 1992 | William Gartman | 1949 | Hiram A. Lyke |
| 1991 | Randall Warren | 1948 | Austin C. Smith |
| 1990 | Terry Leaman | 1947 | Earl M. Abbott |
| 1989 | Roger Shimon | 1946 | Clarence W. Brown |
| 1988 | Robert Ricker | 1945 | Herbert W. Warner |
| 1987 | Robert Daly | 1944 | John P. Snyder |
| 1986 | Daniel Giesen | 1943 | Arthur D. Lyke |
| 1985 | Daniel Gotter | 1942 | Lester R. Stevens |
| 1984 | Lyle Neeb | 1941 | William F. Notbohm |
| 1983 | Joseph L. Lakota | 1940 | Timon N. Rasmussen |
| 1982 | William H. Kreutzmann | 1939 | Leo J. Weix |
| 1981 | Raymond E. Paul | 1938 | Royston Welch |
| 1980 | Fred E. Spade | 1937 | Dr. G.R. Love |
| 1979 | Fred M. Welch | 1936 | Ward D. McKean |
| 1978 | Roger Mayer | 1935 | Chas D. Probert |
| 1977 | Jim Schmitz | 1934 | Curtis H. Jacobs |
| 1976 | Ron Nickel | 1933 | George W.C. Meyer |
| 1975 | Robert Hosch | 1932 | John A. Bosshard |
| 1974 | Richard S. Harris | 1931 | Ernest O Theobald |
| 1973 | Lawrence Davis | 1930 | John F. Kettenhofen |
| 1972 | Edwin Rohloff | 1929 | Forrest D. Matheson |
| 1971 | Jerry Jansen | 1928 | Walter A. Matteson |
| 1970 | Robert T. Cory | 1927 | George C. Johnson |
| 1969 | Henry E. Rosenow | 1925-6 | Henry Peters |