The 1983 US Open was a tennis tournament played on outdoor hard courts at the USTA National Tennis Center in New York City in New York in the United States. It was the 103rd edition of the US Open and was held from August 30 to September 11, 1983. The event was marred by the death of linesman Dick Wertheim from blunt cranial trauma after an errant serve by Stefan Edberg struck his groin, causing him to fall and hit his head.

Seniors

Men's singles

🇺🇸 Jimmy Connors defeated Ivan Lendl 6–3, 6–7(2–7), 7–5, 6–0

Women's singles

🇺🇸 Martina Navratilova defeated 🇺🇸 Chris Evert 6–1, 6–3

Men's doubles

🇺🇸 Peter Fleming / 🇺🇸 John McEnroe defeated 🇺🇸 Fritz Buehning / 🇺🇸 Van Winitsky 6–3, 6–4, 6–2

Women's doubles

🇺🇸 Martina Navratilova / 🇺🇸 Pam Shriver defeated Rosalyn Fairbank / 🇺🇸 Candy Reynolds 6–7(4–7), 6–1, 6–3

Mixed doubles

🇦🇺 Elizabeth Sayers / 🇦🇺 John Fitzgerald defeated 🇺🇸 Barbara Potter / 🇺🇸 Ferdi Taygan 3–6, 6–3, 6–4

Juniors

Boys' singles

🇸🇪 Stefan Edberg defeated 🇦🇺 Simon Youl 6–2, 6–4

Girls' singles

🇦🇺 Elizabeth Minter defeated 🇺🇸 Marianne Werdel 6–3, 7–5

Boys' doubles

🇦🇺 Mark Kratzmann / 🇦🇺 Simon Youl defeated 🇺🇸 Patrick McEnroe / 🇺🇸 Brad Pearce 6–1, 7–6

Girls' doubles

🇺🇸 Ann Hulbert / 🇦🇺 Bernadette Randall defeated Natasha Reva / Larisa Savchenko 6–4, 6–2