The communes of the arrondissement of Avesnes-sur-Helpe, and their INSEE codes, are:
| 1. Aibes (59003) | 2. Amfroipret (59006) | 3. Anor (59012) | 4. Assevent (59021) |
| 5. Audignies (59031) | 6. Aulnoye-Aymeries (59033) | 7. Avesnelles (59035) | 8. Avesnes-sur-Helpe (59036) |
| 9. Bachant (59041) | 10. Baives (59045) | 11. Bas-Lieu (59050) | 12. Bavay (59053) |
| 13. Beaudignies (59057) | 14. Beaufort (59058) | 15. Beaurepaire-sur-Sambre (59061) | 16. Beaurieux (59062) |
| 17. Bellignies (59065) | 18. Berlaimont (59068) | 19. Bermeries (59070) | 20. Bersillies (59072) |
| 21. Bettignies (59076) | 22. Bettrechies (59077) | 23. Beugnies (59078) | 24. Boulogne-sur-Helpe (59093) |
| 25. Bousies (59099) | 26. Bousignies-sur-Roc (59101) | 27. Boussières-sur-Sambre (59103) | 28. Boussois (59104) |
| 29. Bry (59116) | 30. Bérelles (59066) | 31. Cartignies (59134) | 32. Cerfontaine (59142) |
| 33. Choisies (59147) | 34. Clairfayts (59148) | 35. Colleret (59151) | 36. Cousolre (59157) |
| 37. Croix-Caluyau (59164) | 38. Damousies (59169) | 39. Dimechaux (59174) | 40. Dimont (59175) |
| 41. Dompierre-sur-Helpe (59177) | 42. Dourlers (59181) | 43. Eccles (59186) | 44. Englefontaine (59194) |
| 45. Eppe-Sauvage (59198) | 46. Eth (59217) | 47. Feignies (59225) | 48. Felleries (59226) |
| 49. Ferrière-la-Grande (59230) | 50. Ferrière-la-Petite (59231) | 51. Flaumont-Waudrechies (59233) | 52. Floursies (59240) |
| 53. Floyon (59241) | 54. Fontaine-au-Bois (59242) | 55. Forest-en-Cambrésis (59246) | 56. Fourmies (59249) |
| 57. Frasnoy (59251) | 58. Féron (59229) | 59. Ghissignies (59259) | 60. Glageon (59261) |
| 61. Gognies-Chaussée (59264) | 62. Gommegnies (59265) | 63. Grand-Fayt (59270) | 64. Gussignies (59277) |
| 65. Hargnies (59283) | 66. Haut-Lieu (59290) | 67. Hautmont (59291) | 68. Hecq (59296) |
| 69. Hestrud (59306) | 70. Hon-Hergies (59310) | 71. Houdain-lez-Bavay (59315) | 72. Jenlain (59323) |
| 73. Jeumont (59324) | 74. Jolimetz (59325) | 75. La Flamengrie (59232) | 76. La Longueville (59357) |
| 77. Landrecies (59331) | 78. Larouillies (59333) | 79. Le Favril (59223) | 80. Le Quesnoy (59481) |
| 81. Leval (59344) | 82. Lez-Fontaine (59342) | 83. Liessies (59347) | 84. Limont-Fontaine (59351) |
| 85. Locquignol (59353) | 86. Louvignies-Quesnoy (59363) | 87. Louvroil (59365) | 88. Mairieux (59370) |
| 89. Marbaix (59374) | 90. Maresches (59381) | 91. Maroilles (59384) | 92. Marpent (59385) |
| 93. Maubeuge (59392) | 94. Mecquignies (59396) | 95. Monceau-Saint-Waast (59406) | 96. Moustier-en-Fagne (59420) |
| 97. Neuf-Mesnil (59424) | 98. Neuville-en-Avesnois (59425) | 99. Noyelles-sur-Sambre (59439) | 100. Obies (59441) |
| 101. Obrechies (59442) | 102. Ohain (59445) | 103. Orsinval (59451) | 104. Petit-Fayt (59461) |
| 105. Poix-du-Nord (59464) | 106. Pont-sur-Sambre (59467) | 107. Potelle (59468) | 108. Preux-au-Bois (59472) |
| 109. Preux-au-Sart (59473) | 110. Prisches (59474) | 111. Quiévelon (59483) | 112. Rainsars (59490) |
| 113. Ramousies (59493) | 114. Raucourt-au-Bois (59494) | 115. Recquignies (59495) | 116. Robersart (59503) |
| 117. Rousies (59514) | 118. Ruesnes (59518) | 119. Sains-du-Nord (59525) | 120. Saint-Aubin (59529) |
| 121. Saint-Hilaire-sur-Helpe (59534) | 122. Saint-Remy-Chaussée (59542) | 123. Saint-Remy-du-Nord (59543) | 124. Saint-Waast (59548) |
| 125. Salesches (59549) | 126. Sars-Poteries (59555) | 127. Sassegnies (59556) | 128. Semousies (59563) |
| 129. Sepmeries (59565) | 130. Solre-le-Château (59572) | 131. Solrinnes (59573) | 132. Sémeries (59562) |
| 133. Taisnières-en-Thiérache (59583) | 134. Taisnières-sur-Hon (59584) | 135. Trélon (59601) | 136. Vendegies-au-Bois (59607) |
| 137. Vieux-Mesnil (59617) | 138. Vieux-Reng (59618) | 139. Villereau (59619) | 140. Villers-Pol (59626) |
| 141. Villers-Sire-Nicole (59627) | 142. Wallers-en-Fagne (59633) | 143. Wargnies-le-Grand (59639) | 144. Wargnies-le-Petit (59640) |
| 145. Wattignies-la-Victoire (59649) | 146. Wignehies (59659) | 147. Willies (59661) | 148. Éclaibes (59187) |
| 149. Écuélin (59188) | 150. Élesmes (59190) | 151. Étrœungt (59218) |