- Zia Ul Haq
- Ayub Khan
- Ashfaq Pervaiz Kiani
- Pervaiz Musharaf
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The tenure of Zia Ul Haq as longest serving Army Chief of Pakistan is 12 years.
General Zia Ul Haq was second Army Chief of Pakistan.
He became Army Chief of Pakistan on 1st May 1976 and left office on 17th August 1988.
He serves as Army Chief of Pakistan for 12 Years and 5 Months and 19 days.
