The spelling of the surname "Wildner" is relatively straightforward. Using the International Phonetic Alphabet (IPA), we can break it down into individual sounds. The first syllable is pronounced with a long "I" sound (/aɪ/), followed by a "L" sound (/l/), then a short "U" sound (/ʌ/), and finally an "N" sound (/n/). So, the IPA transcription for "Wildner" would be /ˈwaɪldnər/. While this surname may have various meanings in different cultures, its spelling is consistently pronounced as described.