2012
| RANK | NAME | MPH | KPH | TOURNAMENT |
| 1 | Serena Williams (USA) | 118.7 | 191.0 | Australian Open |
| 2 | Sabine Lisicki (GER) | 118.1 | 190.0 | Australian Open |
| 3 | Kaia Kanepi (EST) | 116.8 | 188.0 | Brisbane |
| 4T | Jarmila Gajdosova (AUS) | 116.2 | 187.0 | Australian Open |
| 4T | Lucie Hradecka (CZE) | 116.2 | 187.0 | Australian Open |
| 4T | Madison Keys (USA) | 116.2 | 187.0 | Australian Open |
| 7 | Samantha Stosur (AUS) | 114.3 | 184.0 | Brisbane |
| 8 | Petra Kvitova (CZE) | 113.1 | 182.0 | Sydney |
| 9T | Bethanie Mattek-Sands (USA) | 112.5 | 181.0 | Australian Open |
| 9T | Jamie Hampton (USA) | 112.5 | 181.0 | Australian Open |
All-Time
| RANK | NAME | MPH | KPH | TOURNAMENT |
| 1 | Venus Williams (USA) | 129.0 | 207.6 | 2007 US Open |
| 2 | Serena Williams (USA) | 128.0 | 206.0 | 2010 French Open |
| 3 | Brenda Schultz-McCarthy (NED) | 126.0 | 202.7 | 2007 Indian Wells |
| 4 | Sabine Lisicki (GER) | 125.0 | 201.2 | 2011 Stanford |
| 5 | Anna-Lena Groenefeld (GER) | 125.0 | 201.1 | 2009 Indian Wells |
| 6 | Ana Ivanovic (SRB) | 124.9 | 201.0 | 2007 French Open |
| 7 | Kristina Mladenovic (FRA) | 124.3 | 200.0 | 2009 French Open |
| 8 | Li Na (CHN) | 123.7 | 199.0 | 2010 French Open |
| 9T | Amélie Mauresmo (FRA) | 123.1 | 198.0 | 2009 French Open |
| 9T | Samantha Stosur (AUS) | 123.0 | 198.0 | 2010 French Open |
Note: IDS only collects serve speed data on show courts at certain events (13 in 2012) and started doing so in 1989 ... Players who have had multiple Top 10 fastest serves only have their top one listed, and if they hit that top speed multiple times, just the first time they did it is listed.
