| # | Player | Runs | Balls Faced | 4s | 6s | SR | Against | Venue | Date |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Paul Stirling | 177 | 134 | 21 | 5 | 132.08 | Canada | Toronto | 07-Sep-2010 |
| 2 | Paul Stirling | 162 | 134 | 15 | 8 | 120.89 | U.A.E. | Bulawayo | 27-Jun-2023 |
| 3 | Ed Joyce | 160 | 148 | 19 | 3 | 108.10 | Afghanistan | Belfast | 19-Jul-2016 |
| 4 | Andrew Balbirnie | 145 | 136 | 8 | 8 | 106.61 | Afghanistan | Dehradun | 05-Mar-2019 |
| 5 | KJ O'Brien | 142 | 125 | 10 | 6 | 113.60 | Kenya | Nairobi (Ruaraka) | 02-Feb-2007 |
| 6 | Paul Stirling | 142 | 128 | 9 | 6 | 110.93 | England | Southampton | 04-Aug-2020 |
| 7 | Harry Tector | 140 | 113 | 7 | 10 | 123.89 | Bangladesh | Chelmsford | 12-May-2023 |
| 8 | William Porterfield | 139 | 147 | 15 | 2 | 94.55 | U.A.E. | ICCA Dubai | 13-Jan-2018 |
| 9 | Harry Tector | 138 | 147 | 9 | 3 | 93.87 | Afghanistan | Sharjah | 07-Mar-2024 |
| 10 | Andrew Balbirnie | 135 | 124 | 11 | 4 | 108.87 | West Indies | Dublin (Malahide) | 11-May-2019 |
| 11 | Paul Stirling | 131 | 148 | 9 | 4 | 88.51 | U.A.E. | Abu Dhabi | 08-Jan-2021 |
| 12 | Paul Stirling | 130 | 141 | 8 | 4 | 92.19 | Bangladesh | Dublin | 15-May-2019 |
| 13 | Paul Stirling | 128 | 132 | 12 | 4 | 96.96 | Afghanistan | Abu Dhabi | 24-Jan-2021 |
| 14 | Paul Stirling | 126 | 117 | 15 | 5 | 107.69 | U.A.E. | Harare | 12-Mar-2018 |
| 15 | Andrew Balbirnie | 121 | 137 | 13 | 3 | 88.32 | Zimbabwe | Harare | 18-Jan-2023 |
| 16 | Paul Stirling | 120 | 103 | 14 | 5 | 116.50 | New Zealand | Dublin (Malahide) | 15-Jul-2022 |
| 17 | Curtis Campher | 120 | 108 | 9 | 4 | 111.11 | Scotland | Bulawayo | 21-Jun-2023 |
| 18 | William Porterfield | 119 | 98 | 18 | - | 121.42 | Afghanistan | Greater Noida | 15-Mar-2017 |
| 19 | Paul Stirling | 118 | 119 | 9 | 6 | 99.15 | Afghanistan | Abu Dhabi | 26-Jan-2021 |
| 20 | Ed Joyce | 116 | 132 | 12 | 1 | 87.87 | Pakistan | Dublin | 26-May-2013 |
| 21 | Ed Joyce | 116 | 149 | 13 | 1 | 77.85 | U.A.E. | ICCA Dubai | 11-Jan-2018 |
| 22 | JP Bray | 116 | 136 | 10 | 4 | 85.29 | Scotland | Nairobi (Gym) | 30-Jan-2007 |
| 23 | JP Bray | 115 | 137 | 10 | 2 | 83.94 | Zimbabwe | Kingston | 15-Mar-2007 |
| 24 | Eoin Morgan | 115 | 106 | 10 | 2 | 108.49 | Canada | Nairobi (Jaff) | 04-Feb-2007 |
| 25 | GC Wilson | 113 | 147 | 10 | - | 76.87 | Netherlands | Dublin | 16-Aug-2010 |
| 26 | KJ O'Brien | 113 | 63 | 13 | 6 | 179.36 | England | Bengaluru | 02-Mar-2011 |
| 27 | Paul Stirling | 113 | 95 | 10 | 6 | 118.94 | Scotland | Edinburgh | 12-Jul-2011 |
| 28 | Andrew Balbirnie | 113 | 112 | 12 | - | 100.89 | England | Southampton | 04-Aug-2020 |
| 29 | Harry Tector | 113 | 117 | 14 | 3 | 96.58 | New Zealand | Dublin (Malahide) | 10-Jul-2022 |
| 30 | William Porterfield | 112 | 142 | 9 | - | 78.87 | Bermuda | Nairobi (Jaff) | 31-Jan-2007 |
| 31 | William Porterfield | 112 | 142 | 14 | 1 | 78.87 | England | Dublin (Malahide) | 03-Sep-2013 |
| 32 | Ed Joyce | 112 | 103 | 9 | 3 | 108.73 | Zimbabwe | Hobart | 07-Mar-2015 |
| 33 | William Porterfield | 111 | 133 | 12 | - | 83.45 | P.N.G. | Harare | 06-Mar-2018 |
| 34 | Paul Stirling | 109 | 107 | 7 | 4 | 101.86 | Pakistan | Belfast | 30-May-2011 |
| 35 | NJ O'Brien | 109 | 131 | 9 | 5 | 83.20 | New Zealand | Dublin (Malahide) | 14-May-2017 |
| 36 | William Porterfield | 108 | 116 | 7 | 3 | 93.10 | Bangladesh | Belfast | 15-Jul-2010 |
| 37 | Harry Tector | 108 | 106 | 7 | 5 | 101.88 | New Zealand | Dublin (Malahide) | 15-Jul-2022 |
| 38 | William Porterfield | 107 | 131 | 11 | 1 | 81.67 | Pakistan | Adelaide | 15-Mar-2015 |
| 39 | Ed Joyce | 105 | 135 | 8 | 1 | 77.77 | Afghanistan | Belfast | 14-Jul-2016 |
| 40 | Andrew Balbirnie | 105 | 146 | 10 | - | 71.91 | Scotland | Harare | 18-Mar-2018 |
| 41 | William Porterfield | 104 | 129 | 5 | - | 80.62 | Kenya | Nairobi (Ruaraka) | 02-Feb-2007 |
| 42 | William Porterfield | 104 | 133 | 13 | - | 78.19 | Canada | Centurion | 19-Apr-2009 |
| 43 | Paul Stirling | 103 | 107 | 12 | 1 | 96.26 | Pakistan | Dublin | 23-May-2013 |
| 44 | Andrew Balbirnie | 102 | 109 | 12 | 1 | 93.57 | U.A.E. | ICCA Dubai | 13-Jan-2018 |
| 45 | Andrew Balbirnie | 102 | 117 | 10 | 2 | 87.17 | South Africa | Dublin (Malahide) | 13-Jul-2021 |
| 46 | Harry Tector | 101 | 109 | 8 | 1 | 92.66 | Zimbabwe | Harare | 18-Jan-2023 |
| 47 | William Porterfield | 101 | 89 | 12 | 3 | 113.48 | Scotland | Benoni | 01-Apr-2009 |
| 48 | Paul Stirling | 101 | 72 | 14 | 2 | 140.27 | Netherlands | Eden Gardens | 18-Mar-2011 |
| 49 | Paul Stirling | 101 | 97 | 11 | 4 | 104.12 | Afghanistan | Sharjah | 10-Dec-2017 |
| 50 | Andrew Balbirnie | 101 | 112 | 9 | 2 | 90.17 | Zimbabwe | Bready | 01-Jul-2019 |
| 51 | Simi Singh | 100 | 91 | 14 | - | 109.89 | South Africa | Dublin (Malahide) | 16-Jul-2021 |
| 52 | William Porterfield | 100 | 116 | 8 | 1 | 86.20 | U.A.E. | ICCA Dubai | 02-Mar-2017 |
| 53 | Eoin Morgan | 99 | 134 | 7 | 1 | 73.88 | Scotland | Ayr | 05-Aug-2006 |
| 54 | Paul Stirling | 99 | 114 | 9 | 1 | 86.84 | Afghanistan | Greater Noida | 19-Mar-2017 |
| 55 | KJ O'Brien | 98 | 104 | 4 | 3 | 94.23 | Scotland | Amstelveen | 10-Jul-2010 |
| 56 | Andrew Balbirnie | 97 | 79 | 7 | 4 | 122.78 | Zimbabwe | Hobart | 07-Mar-2015 |
| 57 | Ed Joyce | 96 | 113 | 5 | 1 | 84.95 | Netherlands | Amstelveen | 09-Jul-2013 |
| 58 | JF Mooney | 96 | 77 | 12 | 2 | 124.67 | Scotland | Dublin (Malahide) | 12-Sep-2014 |
| 59 | Paul Stirling | 95 | 80 | 9 | 5 | 118.75 | Afghanistan | Greater Noida | 17-Mar-2017 |
| 60 | Eoin Morgan | 94 | 91 | 7 | 4 | 103.29 | Netherlands | Nairobi (Gym) | 05-Feb-2007 |
| 61 | William Porterfield | 94 | 106 | 7 | 2 | 88.67 | Bangladesh | Dublin | 15-May-2019 |
| 62 | Paul Stirling | 92 | 84 | 9 | 3 | 109.52 | West Indies | Nelson | 16-Feb-2015 |
| 63 | William Porterfield | 92 | 103 | 10 | 2 | 89.32 | U.A.E. | Harare | 12-Mar-2018 |
| 64 | George Dockrell | 91 | 89 | 7 | 2 | 102.24 | Oman | Bulawayo | 19-Jun-2023 |
| 65 | KJ O'Brien | 89 | 104 | 9 | 1 | 85.57 | Canada | Benoni | 06-Apr-2009 |
| 66 | Paul Stirling | 89 | 150 | 6 | 3 | 59.33 | Afghanistan | Dehradun | 28-Feb-2019 |
| 67 | Paul Stirling | 89 | 102 | 8 | 2 | 87.25 | Zimbabwe | Harare | 16-Feb-2025 |
| 68 | Ed Joyce | 88 | 98 | 8 | 1 | 89.79 | Canada | Dublin | 19-Sep-2011 |
| 69 | Ed Joyce | 88 | 125 | 5 | 3 | 70.40 | Kenya | Mombasa | 20-Feb-2012 |
| 70 | Paul Stirling | 88 | 92 | 8 | 3 | 95.65 | South Africa | Abu Dhabi | 07-Oct-2024 |
| 71 | Paul Stirling | 87 | 106 | 8 | 1 | 82.07 | Kenya | Rotterdam | 01-Jul-2010 |
| 72 | Andrew Balbirnie | 85 | 74 | 11 | 1 | 114.86 | Afghanistan | Greater Noida | 19-Mar-2017 |
| 73 | William Porterfield | 85 | 136 | 3 | - | 62.50 | Bangladesh | Bridgetown | 15-Apr-2007 |
| 74 | Lorcan Tucker | 85 | 76 | 8 | 2 | 111.84 | Afghanistan | Sharjah | 07-Mar-2024 |
| 75 | Eoin Morgan | 84 | 100 | 10 | 1 | 84.00 | Canada | Benoni | 06-Apr-2009 |