Dan Cassidy
{{short description|American tennis player}}
{{Use mdy dates|date=October 2024}}
{{Infobox tennis biography
| name = Dan Cassidy
| image =
| fullname =
| country_represented = {{flagu|United States}}
| birth_date = {{birth date and age|1961|04|29}}
| birth_place = Hollywood, Florida
| death_date =
| death_place =
| height = 5 ft 10 in
| plays = Right-handed
| careerprizemoney = $263,318
| singlesrecord = 35–74
| singlestitles = 1
| highestsinglesranking = No. 74 (18 February 1985)
| AustralianOpenresult = 3R (1984)
| FrenchOpenresult = 2R (1985)
| Wimbledonresult = 1R (1985)
| USOpenresult = 2R (1985)
| doublesrecord = 41–69
| doublestitles = 0
| highestdoublesranking = No. 62 (10 November 1986)
| AustralianOpenDoublesresult = 3R (1985, 1990)
| FrenchOpenDoublesresult = 2R (1988)
| WimbledonDoublesresult = 1R (1985, 1987)
| USOpenDoublesresult = 1R (1984, 1985, 1986)
}}
Dan Cassidy (born April 29, 1961) is a former professional tennis player from the United States. He was born in Hollywood, Florida.
During his career, Cassidy won 1 singles title. He achieved a career-high singles ranking of world No. 74 in 1985 and a career-high doubles ranking of World No. 62 in 1986.
Grand Prix finals
=Singles (1 win)=
class="sortable wikitable"
!Result !style="width:30px" class="unsortable"|W-L !style="width:55px"|Date !style="width:180px"|Tournament !style="width:50px"|Surface !style="width:140px"|Opponent !style="width:100px" class="unsortable"|Score |
style="background:#98fb98;"|Win
| 1–0 | Dec 1984 | Melbourne Outdoor, Australia | Grass | {{flagicon|AUS}} John Fitzgerald | 7–6, 7–6 |
=Doubles (1 loss)=
class="sortable wikitable"
!Result !style="width:30px" class="unsortable"|W-L !style="width:55px"|Date !style="width:180px"|Tournament !style="width:50px"|Surface !style="width:140px"|Partner !style="width:140px"|Opponents !style="width:100px" class="unsortable"|Score |
style="background:#ffa07a;"|Loss
| 0–1 | Jul 1986 | Boston, U.S. | Clay | {{flagicon|USA}} Mel Purcell | {{flagicon|CHI}} Hans Gildemeister | 6–4, 5–7, 0–6 |