2019 Surbiton Trophy – Women's singles

Alison Riske was the defending champion. Riske successfully defended the title, by beating 2017 champion Magdaléna Rybáriková 6–7(5–7), 6–2, 6–2 in the final.

Seeds
• # 🇧🇪 Alison Van Uytvanck (quarterfinals)

• # 🇩🇪 Tatjana Maria (semifinals)

• # 🇺🇸 Alison Riske (champion)

• # 🇷🇺 Evgeniya Rodina (first round)

• # 🇸🇰 Magdaléna Rybáriková (final)

• # Viktorija Golubic (second round)

• # 🇺🇸 Jennifer Brady (first round)

• # 🇷🇺 Vitalia Diatchenko (first round)