In the entire world, احد (Ahad 
, احد 
) is a common principally masculine, but scarcely female first name. The given name احد is characteristic of Western Asia, particularly Saudi Arabia, where it is quite a common epicene name, Oman, and Israel, where it is quite a common male name. Measured by absolute frequency, it is commonest in Southern Asia, particularly India, Bangladesh, and Pakistan. Likewise, احد is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ahad | Pakistan, Malaysia, Saudi Arabia, India, Bangladesh |
| احد | Saudi Arabia, Iraq, Sudan, Egypt, Iran |
|
احد شیخ‌لاری Iranian footballer and manager, IR (b. 1960) |
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احد جنگ‌زاده Iranian musician and singer, IR (b. 1961) |
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احد گودرزیانی Iranian writer, IR (b. 1969) |
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احد وزیری Iranian bodybuilder, IR (b. 1980) |
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| احد انجیری مطلق Iranian politician, IR (b. 1939) |
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| احد جوان‌صالحی Iranian amateur wrestler, IR (b. 1965) |
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| احد پازاج Olympic wrestler, IR (b. 1970) |
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| سامعہ احد Pakistani chef, PK |
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| احد رستمی Iranian association football player, IR |
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اسدي, جعفري, خليلي, صادقي, زارعي, غلامي, محمدي, مرادي, نصيري, كريمي, قاسمي, قنبري, يوسفي, بابائي, ايماني, سلطاني, رحماني, محمودي, قرباني, محمدپور, ميرزائي, عليزاده, جلالي, سليماني, جوادي, رستمي, حسني, صفري, صمدي, زارع, ملكي, نجفي, نظري, نوري, لطفي, آقائي, اميري, اكبري, احمدي, عباسي, عزيزي, باقري, حسيني, حيدري, رضائي, رحيمي, رحمتي, رنجبر, and ابراهيمي