Worldwide, Suby (Suby 
, Суби 
, سوبي 
) is a rare unisex first name. The forename Suby is characteristic of United Arab Emirates, where it is a rare epicene name, Qatar, where it is a rare feminine name, and Tanzania. Not in comparison with a country's population, it is commonest in India, Indonesia, and United Arab Emirates. Much less frequently, Suby is the last name as well as the forename.
Sam, Samuel, Antony, Chacko, Khanam, Khatun, Kurian, Kumari, Philip, George, Joseph, Thomas, Oommen, Mathews, Stephen, Abraham, Cherian, Khatoon, Hussain, Varghese, Surendran, Sebastian, Mammen, Kuriakose, Mathew, Jacob, Ali, Lee, Jan, Joy, Anto, Baby, Babu, Binu, Khan, Paul, Ross, Devi, Jose, John, Nair, Singh, Sunny, Cheng, Koshy, Kumar, Leung, James, and Varughese