The correct spelling of the name "Allonso" is actually Alfonso. The phonetic transcription for Alfonso is /ælˈfɒnsoʊ/. The two "l's" in Allonso likely come from a mishearing or mispronunciation of the name. It is important to use the correct spelling of names to ensure proper identification and communication. Additionally, using correct phonetic transcriptions helps to accurately represent the pronunciation of words and names.