The girls' singles section of the 2007 Sony Ericsson Open (also known as the "2007 Miami Masters"), a tennis tournament, was won by the first seed Sorana Cîrstea of Romania.
All seeds receive a bye into the second round.
Sorana Cîrstea (champion)
Naomi Cavaday (quarterfinals, retired)
Anastasia Pivovarova (final)
Tamaryn Hendler (quarterfinals)