Mildmay may refer to:

• Mildmay, Islington, Greater London, United Kingdom
• Mildmay, Ontario, Canada

• Baron Mildmay of Flete, a title in the Peerage of the United Kingdom

• Mildmay baronets, two baronetcies of Moulsham, Essex, created 1611 and 1765
• Audrey Mildmay (1900–1953), Canadian soprano
• Anthony Mildmay (died 1617), MP and diplomat
• Grace Mildmay (née Sharington; 1552–1620), diarist, medical practitioner, and wife of Sir Anthony
• Henry Mildmay (disambiguation)
• Thomas Mildmay (disambiguation)
• Walter Mildmay (bef. 1523–1589), an Elizabethan Chancellor of the Exchequer

• Mildmay Fane (disambiguation)

• Mildmay line, a section of the London Overground public transport network
• Mildmay Mission, a health and welfare charity founded in the 1860s by William Pennefather
• Mildmay Mission Hospital, a cottage hospital founded by Catherine Pennefather in the memory of William Pennefather; later became UK's first HIV/AIDS hospice
• Mildmay Monarchs, an ice hockey team from Mildmay, Ontario

• Mildmay Park railway station, near Newington Green, Greater London, United Kingdom
• St John-Mildmay baronets
• All pages with titles containing Mildmay

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