San Ildefonso or just Ildefonso, is a masculine name, originally from the Gothic language. It is taken from the name Hildefuns meaning "battle ready" (hild "battle" combined with funs "ready"). It is Latinised as Ildephonsus, and it is possible that Alfonso is a variant of this name.
Ildefonso is baby boy name mainly popular in Christian religion and its main origin is . Ildefonso name meanings is Noble, ready, prompt, apt. Other similar sounding names can be Alfonso.