Look up Nyssa or nyssa in Wiktionary, the free dictionary.
Nyssa or nissa may refer to:
the genus name for the tupelo tree,
Nyssa (name), a female name
Nyssa (Doctor Who), a companion of the Fourth and Fifth Doctors in the long-running British science fiction series Doctor Who,
Nyssa Damaskinos, a vampire in the movie Blade II,
Nyssa Raatko, a Batman supervillainess,
Nyssa, a demigod daughter of Hephaestus and minor character in Rick Riordan's The Heroes of Olympus series,
Nyssa (Cappadocia), a Roman/late-Roman city, Turkey,
Nice, in France,
Caltanissetta, called Nissa in ancient times, in Sicily.
Gregory of Nyssa (born 335), 4th-century Christian bishop, theologian and saint,
Nyssa, Oregon, a city in the United States
Nyssa High School,
New York State Sociological Association (NYSSA), an organization of sociologists and community activists studying and or working in New York State