1978 Paris Open – Singles

Corrado Barazzutti was the defending champion but did not compete that year.

Robert Lutz won in the final 6–2, 6–2, 7–6 against Tom Gullikson.

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.


 * 1) 🇺🇸 Brian Gottfried (semifinals)
 * 2) 🇬🇧 John Lloyd (first round)
 * 3) 🇺🇸 Stan Smith (first round)
 * 4) 🇺🇸 Robert Lutz (champion)
 * 5)  Ulrich Pinner (quarterfinals)
 * 6) 🇺🇸 Tom Gullikson (final)
 * 7) 🇪🇸 Ángel Giménez (second round)
 * 8) 🇬🇧 Mark Cox (semifinals)

Draw

 * NB: The Final was the best of 5 sets while all other rounds were the best of 3 sets.