Diament may refer to:

• James Westcott, also known as James Diament Westcott, Jr.
• Rob Diament, English singer-songwriter
• Popiół i diament, Polish title for the novel Ashes and Diamonds

• Diamond (disambiguation)
• Diamant (disambiguation)
• Dimond (disambiguation)
• Dymond (disambiguation)
• Dyment (disambiguation)
• Diament, Świętokrzyskie Voivodeship (south-central Poland)