Sara Petersen may refer to:

• Sara Petersen (badminton) (born 1975), New Zealand badminton player
• Sara Petersen (hurdler) (born 1987), Danish 400 metres hurdler

• Lathraea squamaria
• Lathrop
• Lathrop, CA
• Lathrop, California
• Lathrop, Missouri
• Lathrop, MO
• Lathrop Township, PA
• Lathrop Township, Susquehanna County, Pennsylvania
• Lathrup Village
• Lathrup Village, MI
• Lathrup Village, Michigan
• Lathyris
• Lathyrism
• Lathyrus
• Lathyrus japonicus
• Lathyrus latifolius
• Lathyrus odoratus
• Lathyrus pratensis
• Lathyrus sativus
• Lathyrus tuberosus
• Latias
• Latidae
• Latifabad
• Latife Usakligil
• Latife Uşşaki