1978 US Open – Women's singles qualifying

Players who neither had high enough rankings nor received wild cards to enter the main draw of the annual US Open Tennis Championships participated in a qualifying tournament held over several days before the event.

Qualifiers
• # 🇺🇸 Felicia Hutnick

• # Bettina Bunge

• # 🇺🇸 Wendy White

• # 🇦🇷 Ivanna Madruga

• # 🇯🇵 Sonoe Yonezawa

• # 🇺🇸 Anna-Maria Fernandez

• # Elly Appel-Vessies

• # 🇺🇸 Kathy Jordan