Meaning and name origin
Karyssa \k(a)-ryssa, kar(ys)-sa\ as a girl's name is of Greek origin, and the meaning of Karyssa is "very dear". Karyssa is a variant of Karissa (Greek): see also Carissa. Not generally used as a name for babies.
Karyssa is not a popular first name for females and an equally uncommon surname or last name for all people (Source: 2000 U.S. Population Census).
Displayed below is a comparison of the popularity of the girl name Karyssa and its variant forms. The only popular variation form ranked in the Top 1000/100 is Karissa. (Source: 2014 Birth Name Statistics).
Karyssa is also pronounced similarly to Caressa, Carissa▼, Coryssa, Karrisa, Kharissa, Koressa, Korissa and Koryssa. Other suggested similar baby names are Kalyssa, Karess, Karisha, Karisse, Karys, Klaryssa, Krissa, Krysia, Kryssa, Kryssi, Laryssa, Maryssa and Naryssa. These names tend to be more commonly used than Karyssa.