As a deity name
Name 50 of the Ganesha Sahasranāma — Ganesha Purana (Upasana Khanda), as taught by Sage Vyasa / Lord Ganesha
As a Hindi name
सिद्धिविनायक · noun · masculine
गणेश की एक मुर्ति । सिद्धविनायक गणेश — Śabdasāgara
सिद्धिविनायक · masculine
Siddhivinayak Temple, Mumbai
a Hindi word; it is not Sanskrit
“सिद्धि (siddhi) + विनायक (vināyak)” — per Wiktionary’s etymology record
As a Sanskrit word
Meaning
a form of Gaṇeśa
Scripturally attested Verified derivationMultiple readings (2)Why this matches what you typed
The spelling you confirmed, सिद्धिविनायक, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Dictionary citations
siddhi—vināyaka m. a form of Gaṇeśa
Alternative readings
More than one analysis survives full verification. That ambiguity is real, so we show every reading rather than pick one silently.
Caveats
Sources contain errors and engines have limits; every claim above carries its citation so you can verify it. This is guidance about names and their sources — not religious or astrological consultation. How we work · Our sources