Jefferis

• Millis Jefferis, founder of a special unit of the British Ministry of Supply for developing unusual weapons during WWII
• Frank Jefferis, English footballer
• James Jefferis, an English Congregational minister with a considerable career in Australia, grandfather of Barbara
• Joshua Jefferis, Australian artistic gymnast
• Barbara Jefferis, an Australian author
• * Barbara Jefferis Award
• Vaughn Jefferis, a New Zealand equestrian
• Albert W. Jefferis, a Nebraska Republican politician