- Nica
- Nicaise
- Nicaj
- Nicas
- Nicastro
- Niccolai
- Niccoli
- Niccolini
- Niccum
- Nice
- Nicefor
- Niceforo
- Nicely
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- Nich
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- Nichilo
- Nichita
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- Nichol
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- Nichols
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- Nicholson
- Nichter
- Nichting
- Nici
- Nicia
- Nicita
- Nick
- Nicka
- Nicke
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- Nickels
- Nickelsen
- Nickelson
- Nickenich
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- Nickhorn
- Nickisch
- Nickl
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- Nickle
- Nickler
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- Nickley
- Nicklin
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- Nickol
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- Nickolai
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- Nickolay
- Nickolls
- Nickols
- Nickolson
- Nicks
- Nickson
- Nickum
- Nickus
- Niclas
- Niclasen
- Niclassen
- Nico
- Nicoara
- Nicodeme
- Nicodemo
- Nicodemus
- Nicodin
- Nicol
- Nicola
- Nicolaas
- Nicolaci
- Nicolae
- Nicolaescu
- Nicolaeva
- Nicolai
- Nicolaides
- Nicolaidis
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- Nicolaisen
- Nicolao
- Nicolaou
- Nicolas
- Nicolato
- Nicolau
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- Nicolay
- Nicolaysen
- Nicole
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- Nicoleit
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- Nicolescu
- Nicolet
- Nicoleta
- Nicoletta
- Nicoletti
- Nicoley
- Nicoli
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- Nicolici
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- Nicolino
- Nicolis
- Nicolita
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- Nicolle
- Nicolo
- Nicolodi
- Nicoloff
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- Nicolosi
- Nicoloso
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- Nicora
- Nicosia
- Nicot
- Nicotera
- Nicotra
- Nicoud
- Nicpon
- Nicu
- Nicula
- Niculae
- Niculaie
- Niculcea
- Niculescu
- Nicusor
- Niczyporuk