| Please note that some information regarding NGOs is only in Greek. |
| NGOs alphabetically |
| Α | Β | Γ | Δ | Ε | Ζ | Η | Θ | Ι | Κ | Λ | Μ | Ν | Ξ | Ο | Π | Ρ | Σ | Τ | Υ | Φ | Χ | Ψ | Ω | All | ||
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | |
| NGOs from H |
| Name | City | Action | |
 HIGGS |
Αθήνα | » Civilization |
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 HIGHER INCUBATOR GIVING GROWTH & SUSTAINABILITY Διακριτικός Τίτλος: HIGGS |
Metaxourgeio - Athens | » Society » Literacy-Education |
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 HOSPICE FOR THE DISABLED |
Athens | » People with disabilities |
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 Hellenic League Against Rheumatism |
Athens Greece | » People with disabilities » Health |
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 Hellenic Society for Terminology (ELETO) |
Marousi | » Literacy-Education |
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 HELLENIC RESCUE TEAM |
Thessaloniki | » Others » Society » Literacy-Education » Health » Environment |
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 HELLENIC CANCER FEDERATION - H.C.F. - (ELLOK) |
ATHENS | » People with disabilities » Society » Health |
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 HELLENIC HEART LUNG TRANSPLANT ASSOCIATION '' H SKYTALI'' |
NEA SMYRNI ATHENS | » People with disabilities » Society » Health |
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 Happy Children-Happy Youth |
Αθήνα | » Childs/Young » Society » Civilization » Literacy-Education |
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 Hellenic Society of Osteoporosis Patient Support |
Kifisia | » Health |
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 Hadjipaterion” Center for the Rehabilitation & Support of Children ( CRSC) |
METAMORFOSI | » People with disabilities |
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 HOPEgenesis |
Μαρούσι | » Childs/Young » Society » Health |
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