The Greek alphabet comes from the Phoenician script. The Greeks took the Phoenician alphabet around the 9th century.
| Number | Letter | Names |
|---|---|---|
| 1 | Α α | alpha |
| 2 | Β β | beta |
| 3 | Γ γ | gamma |
| 4 | Δ δ | delta |
| 5 | Ε ε | epsilon |
| ϝ | digamma, stigma | |
| 6 | Ζ ζ | zeta |
| 7 | Η η | eta |
| 8 | Θ θ | theta |
| 9 | Ι ι | iota |
| 10 | Κ κ | kappa |
| 11 | Λ λ | lambda |
| 12 | Μ μ | mu |
| 13 | Ν ν | nu |
| 14 | Ξ ξ | xi |
| 15 | Ο ο | omicron |
| 16 | Π π | pi |
| Ϻ | san | |
| Ϙ | koppa | |
| 17 | Ρ ρ | rho |
| 18 | Σ σ | sigma |
| 19 | Τ τ | tau |
| 20 | Υ υ | upsilon |
| 21 | Φ φ | phi |
| 22 | Χ χ | chi |
| 23 | Ψ ψ | psi |
| 24 | Ω ω | omega |