| 101 | Alvarado-Yoshida, Nico | USA | 1717 | 2010 |
| 102 | Alvarado, Sebastian | USA | 1483 | 2017 |
| 103 | Alvares-Filshtein, Alexander | USA | 1757 | 2008 |
| 104 | Alvarez Jr, Adolfo | USA | 1429 | 1996 |
| 105 | Amaya, Brayan Angel | USA | 1982 | 2005 |
| 106 | Amba, Advaith | USA | 1660 | 2013 |
| 107 | Ambethkar, Hari | USA | 1756 | 2004 |
| 108 | Ambil, Keshav | USA | 1635 | 2011 |
| 109 | Amburgy, Chris | USA | 1543 | 1976 |
| 110 | FM Amburgy, Ryan | USA | 2334 | 2004 |
| 111 | Amin, Aida | USA | 1578 | 2009 |
| 112 | Amin, Eshaan Kashyap | USA | 1581 | 2013 |
| 113 | Amiral, Kamal Jan | USA | 1928 | 2008 |
| 114 | Amloyan, Haig | USA | 1696 | 2003 |
| 115 | Ammasani, Samanyu | USA | 1516 | 2014 |
| 116 | Ammasani, Smayan | USA | 1812 | 2010 |
| 117 | Amradi, Ikshu | USA | 1573 | 2014 |
| 118 | Amrany, Benjamin | USA | 1977 | 2011 |
| 119 | Anable, Blake | USA | 1760 | 2009 |
| 120 | Anand, Advait | USA | 1496 | 2014 |
| 121 | Anand, Anirudh | USA | 1874 | 2014 |
| 122 | Anand, Lakshana | USA | 1623 | 2013 |
| 123 | Anand, Sanjeev | USA | 1892 | 2004 |
| 124 | Anand, Vignesh | USA | 2083 | 2004 |
| 125 | Anandh, Vijay Srinivas | USA | 2141 | 2012 |
| 126 | Anandheri Kandadai, Srihari | USA | 1838 | 2012 |
| 127 | WFM Ananth, Ananya | USA | 1933 | 2009 |
| 128 | Anantharaman, Aashish | USA | 1878 | 2007 |
| 129 | Anatol, Luke Leon Robin | USA | 2036 | 2007 |
| 130 | Anatra, Owen C | USA | 1807 | 2012 |
| 131 | Anburaj, Thamizhamuthan | USA | 1653 | 2015 |
| 132 | Anbuselvam, Mithran | USA | 1516 | 2012 |
| 133 | FM Andersen, Gunnar | USA | 2274 | 1998 |
| 134 | Andersen, Jeff | USA | 1566 | 1951 |
| 135 | Anderson, Aaron J | USA | 1819 | 1975 |
| 136 | Anderson, Albert | USA | 1575 | 1992 |
| 137 | Anderson, Christopher | USA | 1486 | 1983 |
| 138 | Anderson, Craig | USA | 1921 | 1958 |
| 139 | Anderson, Louis | USA | 1732 | 2003 |
| 140 | Anderson, Michael | USA | 1747 | 1949 |
| 141 | Andranigian, Armen | USA | 1954 | 2007 |
| 142 | Andranigian, Rafi | USA | 1736 | 2009 |
| 143 | Andreas, Peter | USA | 1789 | 1954 |
| 144 | Andrechak, Sean | USA | 1835 | 1966 |
| 145 | Andrei, Bryan | USA | 1647 | 2011 |
| 146 | Andrews, Joseph L | USA | 1600 | 2008 |
| 147 | FM Andrews, Todd | USA | 2094 | 1981 |
| 148 | Andrysco, Marc | USA | 1655 | 1989 |
| 149 | Andrzejewski, Daniel | USA | 1653 | 1973 |
| 150 | Ang, Timothy | USA | 1525 | 2010 |
| 151 | Annapragada, Srivastav | USA | 1646 | 2008 |
| 152 | Ansari, Arhaan Khan | USA | 1630 | 2009 |
| 153 | Anthony Xavier, Clifford | USA | 1595 | 2016 |
| 154 | Anthony, Ralph | USA | 1661 | 1959 |
| 155 | GM Antipov, Mikhail Al. | USA | 2624 | 1997 |
| 156 | Antler, Arthur | USA | 1757 | 1950 |
| 157 | Ao, Sicheng | USA | 1613 | 2014 |
| 158 | Apel, Ulrich | USA | 1696 | 1967 |
| 159 | Apelo, David | USA | 1913 | 1957 |
| 160 | Arandela, Aldrin | USA | 1852 | 1986 |
| 161 | Arasin, Joseph W | USA | 1708 | 1986 |
| 162 | Aravind, Kavin | USA | 1680 | 2013 |
| 163 | WIM Aravindakshan, Sahana | USA | 1864 | 2010 |
| 164 | Arcenaux Jr., Thomas | USA | 1593 | 1987 |
| 165 | Arellano, Santiago | USA | 1664 | 2008 |
| 166 | Arganian, David | USA | 1872 | 1963 |
| 167 | Argo, Guy | USA | 1825 | 1965 |
| 168 | Arias, Anthony | USA | 1477 | 2007 |
| 169 | Arizpe, Frank | USA | 1612 | 1972 |
| 170 | Arond, Dean | USA | 1720 | 1958 |
| 171 | GM Aronian, Levon | USA | 2724 | 1982 |
| 172 | Arora, Anika | USA | 1650 | 2008 |
| 173 | Arshad, Shahzad Mahmood | USA | 1663 | 2008 |
| 174 | Arshad, Shiraz Mahmood | USA | 1712 | 2008 |
| 175 | Arthur, Brian | USA | 1923 | 1999 |
| 176 | Arul, Sharvesh | USA | 2030 | 2013 |
| 177 | Arun, Anish | USA | 1525 | 2012 |
| 178 | Arun, Aryan | USA | 1653 | 2011 |
| 179 | Arun, Axl | USA | 1745 | 2015 |
| 180 | Arun, Pranav | USA | 1774 | 2015 |
| 181 | Arun, Raghav | USA | 1675 | 2009 |
| 182 | Arun, Siddharth | USA | 1972 | 1998 |
| 183 | Arunagiri, Sathiesh | USA | 1501 | 1982 |
| 184 | Arunkumar, Mirthvik | USA | 1611 | 2016 |
| 185 | Arunkumar, Mukhil | USA | 1822 | 2012 |
| 186 | Arunkumar, Pragit | USA | 1770 | 2014 |
| 187 | Arvind, Charithra C | USA | 1672 | 2008 |
| 188 | Asbra, Shane | USA | 1736 | 2009 |
| 189 | Asbury, Aaron J | USA | 1791 | 1986 |
| 190 | Ashok, Saadhanaa | USA | 1609 | 2012 |
| 191 | Asibor, Eromosele | USA | 2032 | 1972 |
| 192 | Asner, Marcus A | USA | 1452 | 1963 |
| 193 | Aspinall, James | USA | 1720 | 1967 |
| 194 | Assaripallam, Inigo | USA | 1889 | 1962 |
| 195 | WCM Atassi, Celine | USA | 1926 | 2013 |
| 196 | Atkeson, Christopher Timothy | USA | 1947 | 1994 |
| 197 | Atoufi, Artin | USA | 1829 | 2013 |
| 198 | Atreya, Rushil | USA | 1631 | 2008 |
| 199 | Attaluri, Rishi | USA | 1485 | 2012 |
| 200 | FM Atwell, Rose | USA | 2410 | 2009 |