Mid front unrounded vowel might refer to:

• The exact mid front unrounded vowel {{IPA|[e̞]}} (also {{IPA|[ɛ̝]}} or {{IPA|[ᴇ]}}), between {{IPA|[e]}} and {{IPA|[ɛ]}}
• The close-mid front unrounded vowel {{IPA|[e]}}
• The open-mid front unrounded vowel {{IPA|[ɛ]}}

• Bill Berthusen
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• Bill Bilichek
• Bill bill bill bill
• Bill Binney
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• Billboard 100 records