Short Violin Solos for the Advanced Player (very doable for players who have completed all the Suzuki books and mastered full-fledged solo concertos/sonatas, such as Mendelssohn or Beethoven):
Banjo and Fiddle (William Kroll)
Pavane for a Dead Princess (Ravel, transcribed by Kochanski)
Tambourin Chinois (Kreisler)
Zapateado (Sarasate)
March from "Love for Three Oranges" (Prokofiev)
Relatively Short Intermediate Violin Solos (these assume a basic knowledge of chords, fast finger motion and sustained bows, vibrato, and a comfortable grasp of 1st-4th positions):
Polish Dance (Severn)
Sicilienne (Paradis)
Meditation from "Thais" (Massanet)
Sicilienne and Rigadoun (Kreisler)
La Folia (Corelli, adapted from the original for Suzuki Method Vol. 6)
Schon Rosmarin (Kreisler)
The Orange Blossom Special (Rouse)
Stradivarius (Bestor)
Easy Violin Solos (for players with basic skills and good intonation in first position):
Ashokan Farewell (Ungar-Cerulli)
Devil's Dream (traditional fiddle tune)
Jesu, Joy of Man's Desiring (Bach)
Canon in D (Pachelbel)