| Thecla mycon Godman & Salvin, 1887 |
| Thecla nelsoni Boisduval, 1869 |
| Thecla nelsoni var. exoleta Edwards, 1881 |
| Thecla neora Hewitson, 1867 |
| Thecla nepia Godman & Salvin, 1887 |
| Thecla ninus Edwards, 1871 |
| Thecla nipona Hewitson, 1877 |
| Thecla nippia Dyar, 1918 |
| Thecla nitetis Godman & Salvin, 1887 |
| Thecla norax Godman & Salvin, 1887 |
| Thecla nortia Godman & Salvin, 1887 |
| Thecla nubes Druce, 1907 |
| Thecla nugar Schaus, 1902 |
| Thecla oceia Godman & Salvin, 1887 |
| Thecla ocelligera J. Zikán & W. Zikán, 1968 |
| Thecla ochus Godman & Salvin, 1887 |
| Thecla ocrisia Hewitson, 1868 |
| Thecla ocrisia subsp. lita Hayward, 1949 |
| Thecla opacitas Druce, 1907 |
| Thecla ophia Hewitson, 1868 |