| Mike Cahill | |
| Residence: | Germantown, Wisconsin |
| Birth Date: | 17 June 1952[1] |
| Birth Place: | Waukesha, Wisconsin[2] |
| Plays: | Right-handed |
| Retired: | 1984 |
| Singlestitles: | 0 |
| Highestsinglesranking: | 68 (May 10, 1976) |
| Wimbledonresult: | R1 (1976, 1979) |
| Usopenresult: | R4 (1981) |
| Frenchopenresult: | R2 (1979) |
| Doublestitles: | 5 |
| Highestdoublesranking: | 94 (January 3, 1983) |
| Frenchopendoublesresult: | R2 (1976) |
| Wimbledondoublesresult: | R1 (1976, 1979) |
| Usopendoublesresult: | QF (1981) |
Michael Cahill (born June 17, 1952) is a former professional tennis player from the United States.
Cahill enjoyed most of his tennis success while playing doubles. During his career, he won five doubles titles. He achieved a career-high doubles ranking of world no. 94 in 1983.
Cahill played college tennis at the University of Alabama.
| Result | W/L | Date | Tournament | Surface | Partner | Opponents | Score | |
|---|---|---|---|---|---|---|---|---|
| Loss | 0–1 | 1975 | Chicago, U.S. | Carpet |  John Whitlinger |  John Alexander Phil Dent | 3–6, 4–6 | |
| Loss | 0–2 | 1976 | Sacramento, U.S. | Carpet | John Whitlinger | Tom Gorman Sherwood Stewart | 6–3, 4–6, 4–6 | |
| Loss | 0–3 | 1976 | Boston, U.S. | Clay | John Whitlinger | Ray Ruffels Allan Stone | 6–3, 3–6, 6–7 | |
| Win | 1–3 | 1976 | Bermuda | Clay | John Whitlinger | Dick Crealy Ray Ruffels | 6–4, 4–6, 7–6 | |
| Loss | 1–4 | 1977 | Manila, Philippines | Hard | Terry Moor | Chris Kachel John Marks | 6–4, 0–6, 6–7 | |
| Win | 2–4 | 1977 | Bombay, India | Clay | Terry Moor |  Marcello Lara  Jasjit Singh | 6–7, 6–4, 6–4 | |
| Loss | 2–5 | 1978 | Atlanta, U.S. | Hard | Marcello Lara | John Alexander Butch Walts | 6–3, 4–6, 6–7 | |
| Win | 3–5 | 1979 | Stowe, U.S. | Hard | Steve Krulevitz | Anand Amritraj Colin Dibley | 3–6, 6–3, 6–4 | |
| Loss | 3–6 | 1979 | Tel Aviv, Israel | Hard | Colin Dibley |  Ilie Năstase Tom Okker | 5–7, 4–6 | |
| Loss | 3–7 | 1979 | Tokyo Indoor, Japan | Carpet | Terry Moor | Marty Riessen Sherwood Stewart | 4–6, 6–7 | |
| Loss | 3–8 | 1979 | Johannesburg, South Africa | Hard |  Buster Mottram | Bob Hewitt Frew McMillan | 6–1, 1–6, 4–6 | |
| Loss | 3–9 | 1981 | Memphis, U.S. | Carpet | Tom Gullikson | Gene Mayer Sandy Mayer | 6–7, 7–6, 6–7 | |
| Loss | 3–10 | 1981 | Taipei, Taiwan | Carpet | John Austin | John Benson Mike Bauer | 4–6, 3–6 | |
| Win | 4–10 | 1981 | Bangkok, Thailand | Carpet | John Austin | Lloyd Bourne Van Winitsky | 6–3, 7–6 | |
| Loss | 4–11 | 1982 | Genova WCT, Italy | Carpet | Buster Mottram | Pavel Složil Tomáš Šmíd | 7–6, 5–7, 3–6 | |
| Win | 5–11 | 1982 | Maui, U.S. | Hard | Eliot Teltscher | Francisco González Bernard Mitton | 6–4, 6–4 | |
| Loss | 5–12 | 1982 | Dortmund WCT, Germany | Carpet | Francisco González | Pavel Složil Tomáš Šmíd | 2–6, 7–6, 1–6 | |
| Loss | 5–13 | 1982 | Chicago-2 WCT, U.S. | Carpet | Bruce Manson | Anand Amritraj Vijay Amritraj | 6–3, 2–6, 3–6 | |
| Loss | 5–14 | 1982 | Hartford WCT, U.S. | Carpet | Tracy Delatte | Robert Lutz Dick Stockton | 6–7, 3–6 |