A new and distinct seedless mandarin named `Top Mandarin Seedless` characterized by late bearing in January through to February in the citrus areas of Sicily, Italy and Riverside, Calif. The tree has high yields and bears from years three onwards. It is further characterized by being a triploid and genetically seedless. The fruit is well sized having a typical mandarin shape (round, flattened) and has acceptable rind thickness with a smooth texture. The fruit stores well, and has reddish pigmented flesh, good acid-sugar ratios, and good external color. The fruit has an average juice content of about 40-50% at harvest.