Zinnia \z(in)-nia\ as a girl's name is of Latin origin. Flower name. The flower was named for 18th-century German botanist Johann Zinn who classified it.
Zinnia has 3 variant forms: Zinia, Zinnya and Zinya.
Baby names that sound like Zinnia are Sinnie, Cinnie, Zanna, Zannie, Zina, Zenia, Zeenia, Zenna and Zonia.