Syringa (disambiguation)
Syringa is a genus of woody shrubs and trees, commonly known as lilacs. Syringa may also refer to:

Places:
Syringa, Idaho, United States, an unincorporated town
Syringa, Virginia, United States, an unincorporated community
Syringa Provincial Park, British Columbia, Canada
1104 Syringa, an asteroid

Plants:
Melia azedarach, a species of deciduous tree commonly but erroneously called Syringa in South Africa
Philadelphus, particularly P. lewisii, sometimes confusingly known as syringa

Other uses:
Syringa Marshall-Burnett (1935–2014), former President of the Senate of Jamaica
Syringa Wireless, on the list of United States wireless communications service providers