Troides plato, the silver birdwing, is a birdwing butterfly endemic to Timor.

Described forms are nychonia Jordan, 1908 (male), chitonia Jordan, 1908 (male), and delormei Le Moult, 1931 (female).

Previously considered to be a subspecies of haliphron, plato was raised to a full species by Haugum and Low on the basis of differences in the genitalia.

Troides plato is a member of the Troides haliphron species group.

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