| Celebration | Name | Saint | Birth | Death |
|---|---|---|---|---|
| 30 of May | Gabino | Saint Gabino of Porto Torres | France | |
| 2 of June | Guido | Saint Guido of Acqui | 1004 Italy | 1070 Italy |
| 3 of June | Genesio | Saint Genesio of Clermont | 650 Italy | |
| 4 of June | Gualtero | Saint Gualtero of Servigliano | 1250 Italy | |
| 6 of June | Gilberto | Saint Gilberto abad | 1152 France | |
| 8 of June | Gildardo | Saint Gildardo of Rouen | 514 France | |
| 8 of June | Guillermo | Saint Guillermo Fitzherbert | 1154 United kingdom | |
| 10 of June | Gualterio | Blessed Walter Pierson | 1537 United kingdom | |
| 12 of June | Gregorio | Blessed Gregory Frackowiak | 1911 Poland | 1943 Germany |
| 12 of June | Gaspar | Saint Gaspar Bertoni | 1777 Italy | 1835 Italy |
| 12 of June | Guido | Blessed Guido of Cortona | Italy | 1245 Italy |
| 15 of June | Germana | Saint Germana Cousin | 1579 France | 1601 France |
| 16 of June | Guillermo | Blessed William Greenwood | United kingdom | 1537 United kingdom |
| 17 of June | Gondulfo | Saint Gondulfo of Bourges | France | |
| 18 of June | Gregorio | Saint Gregorio Barbarigo | 1625 Italy | 1697 Italy |
| 19 of June | Gervasio | Saint Gervasius of Milan | Italy | |
| 19 of June | Gerlando | Blessed Gerlando | 1271 Italy | |
| 20 of June | Gobano | Saint Gobano of Irlanda | Ireland | 670 France |
| 24 of June | Goardo | Saint Goardo of Nantes | 843 France | |
| 25 of June | Galicano | Saint Galicano of Alejandría | Egypt | 362 Egypt |
| 25 of June | Guillermo | Saint Guillermo of Goleto | Italy | 1142 Italy |
| 27 of June | Gudena | Saint Gudena of Cartago | 203 Tunisia | |
| 1 of July | Golveno | Saint Golveno of León | United kingdom | France |
| 3 of July | Geldunio | Saint Geldunio abad | ||
| 6 of July | Goar | Saint Goar | France | Germany |
| 8 of July | Gliceria | Saint Gliceria of Heraclea | Italy | |
| 14 of July | Gaspar | Blessed Gaspar of Bono | 1530 Spain | 1604 Spain |
| 15 of July | Gumberto | Saint Gumberto of Ansbach | 790 Germany | |
| 18 of July | Gundena | Saint Gundena of Cartago | 362 Algeria | |
| 22 of July | Gualterio | Saint Gualterio of Lodi | 1224 Italy | |
| 25 of July | Glodesindis | Saint Glodesindis | Belgium | |
| 26 of July | Guillermo | Blessed William Webster | United kingdom | 1641 United kingdom |
| 29 of July | Guillermo | Saint Guillermo Pinchón | 1234 France | |
| 30 of July | Godeleva | Saint Godeleva of Ghistelles | 1070 Belgium | |
| 31 of July | Germán | Saint Germán of Auxerre | 448 Italy | |
| 4 of August | Gonzalo | Blessed Gonzalo Gonzalo | 1909 Spain | 1936 Spain |
| 4 of August | Guillermo | Blessed William Horne | 1540 United kingdom | |
| 9 of August | Guillermo | Blessed Guillermo Plaza Hernánde | Spain | 1936 Spain |
| 9 of August | Germán | Blessed Germán Garrigues Hernández | 1895 Spain | 1936 Spain |
| 11 of August | Gaugerico | Saint Gaugerico of Cambrai | 625 France | |
| 12 of August | Graciliano | Saint Graciliano of Faleria | Italy | |
| 13 of August | Gertrudis | Saint Gertrudis of Altenberg | 1297 Germany | |
| 13 of August | Guillermo | Blessed William Freeman | 1595 United kingdom | |
| 16 of August | Gabriel | Blessed Gabriel Sanchís Mompó | 1936 Spain | |
| 19 of August | Guerrico | Blessed Guerric of Igny | 1157 France | |
| 20 of August | Gervasio | Blessed Gervais Brunel | 1794 France | |
| 25 of August | Ginés | Saint Genesius of Arlés | France | 303 France |
| 25 of August | Geruncio | Saint Geruncio of Itálica | Spain | |
| 25 of August | Gregorio | Saint Gregorio of Utrecht | 775 Netherlands | |
| 27 of August | Gebhardo | Saint Gebhardo of Constancia | 995 Germany | |
| 27 of August | Guarino | Saint Guarino of Sión | 1150 France | |
| 28 of August | Guillermo | Blessed William Dean and companions | 1588 United kingdom | 1588 United kingdom |
| 30 of August | Gaudencia | Saint Gaudencia mártir | ||
| 30 of August | Ghebre | Blessed Ghebre Michael | Ethiopia | 1855 Ethiopia |
| 1 of September | Gil | Saint Gil of Casaio | Spain | |
| 1 of September | Giles | Saint Giles | France | |
| 3 of September | Gregorio | Saint Gregory the Great Pope | 540 Italy | 604 Italy |
| 3 of September | Guala | Blessed Guala of Astino | 1244 Italy | |
| 5 of September | Guillermo | Blessed William Browne | 1605 United kingdom | |
| 7 of September | Gauzlino | Saint Gauzlino of Toul | 962 France | |
| 7 of September | Grato | Saint Grato of Aosta | Italy | |
| 9 of September | Gorgonio | Saint Gorgonio of Roma | 303 Italy | |
| 12 of September | Guido | Saint Guido of Anderlech | Belgium | 1012 Belgium |
| 14 of September | General | Saint General mártir | ||
| 14 of September | Gabriel | Saint Gabriel Taurino Dufresse | 1750 France | 1815 China |
| 19 of September | Goerico | Saint Goerico of Metz | 642 Germany | |
| 21 of September | Gerulfo | Saint Gerulfo of Tronchiennes | 750 Belgium | |
| 22 of September | Germán | Blessed Germán Gozalvo Andreu | 1936 Spain | |
| 23 of September | Guillermo | Blessed William Way | 1588 United kingdom | |
| 24 of September | Gerardo | Saint Gerardo Sagredo | 1046 Hungary | |
| 26 of September | Gaspar | Blessed Kaspar Stanggassinger | 1899 Germany | |
| 26 of September | Gedeón | Saint Gedeón juez | ||
| 29 of September | Gabriel | Saint Gabriel Archangel | ||
| 30 of September | Gregorio | Saint Gregorio el Iluminador | 326 Armenia | |
| 1 of October | Geraldo | Saint Geraldo Edwards | 1588 United kingdom | |
| 3 of October | Gerardo | Saint Gerardo of Namur | 959 Belgium | |
| 9 of October | Gisleno | Saint Gisleno of Hainaut | France | |
| 9 of October | Guntero | Saint Guntero of Brevnov | 1045 Hungary | |
| 10 of October | Gereón | Saint Gereón y compañeros | Germany | |
| 11 of October | Gaudencio | Saint Gaudencio o Radzim | 1011 Poland | |
| 11 of October | Gumaro | Saint Gumaro of Lierre | 775 | |
| 13 of October | Geraldo | Saint Geraldo of Cierges | 909 France | |
| 14 of October | Gaudencio | Saint Gaudencio of Rimini | Italy | |
| 15 of October | Gonzalo | Blessed Gonzalo of Lagos | 1422 Portugal | |
| 16 of October | Gerardo | Saint Gerard Majella | 1726 Italy | 1755 Italy |
| 16 of October | Galo | Saint Galo of Arbona | Ireland | 645 Germany |
| 16 of October | Gauderico | Saint Gauderico of Mirepoix | France | |
| 16 of October | Gererdo | Blessed Gerard of Clairvaux | 1177 France | |
| 17 of October | Gilberto | Saint Gilberto of Toulouse | 1167 France | |
| 19 of October | Gabriel | Saint Gabriel Lalemant y copmpañeros | 1649 Canada | |
| 19 of October | Grato | Saint Grato of Oloron | 506 France | |
| 23 of October | Gaetano | Saint Gaetano Catanoso | 1879 Italy | 1963 Italy |
| 25 of October | Gaudencio | Saint Gaudencio of Brescia | 410 Italy | |
| 26 of October | Gibitruda | Saint Gibitruda vírgen | ||
| 27 of October | Gaudioso | Saint Gaudioso of Nápoles | Italy | |
| 28 of October | Germán | Saint Germán of Annecy | France | |
| 28 of October | Ginés | Saint Ginés of Thiers | France | |
| 30 of October | Gerardo | Saint Gerardo of Potenza | 1122 Italy | |
| 30 of October | Germán | Saint Germán of Capua | 540 Italy | |
| 3 of November | Gaudioso | Saint Gaudioso of Tarazona | Spain |