Sinki may refer to:

• Sinki, Gmina Bądkowo, a village in North-central Poland.
• Sinki, Gmina Zakrzewo, a village in North-central Poland.
• Sinki (food), a Nepalese dish.

• Glyphidocera illiterata
• Glyphidocera indocilis
• Glyphidocera infulae
• Glyphidocera inurbana
• Glyphidocera isonephes
• Glyphidocera janae
• Glyphidocera lactiflosella
• Glyphidocera lanae
• Glyphidocera laricae
• Glyphidocera lawrenceae
• Glyphidocera lepidocyma
• Glyphidocera lithodoxa
• Glyphidocera lophandra
• Glyphidocera lunata
• Glyphidocera lupae
• Glyphidocera luxuriae
• Glyphidocera melithrepta
• Glyphidocera meyrickella
• Glyphidocera minarum
• Glyphidocera mumiella
• Glyphidocera notae
• Glyphidocera notolopha
• Glyphidocera novercae
• Glyphidocera nubis
• Glyphidocera olivae