diff --git a/bin/obj2gltf.js b/bin/obj2gltf.js
index 40ffe76f..4fb68a11 100644
--- a/bin/obj2gltf.js
+++ b/bin/obj2gltf.js
@@ -134,6 +134,10 @@ const argv = yargs
             choices: ['X', 'Y', 'Z'],
             type: 'string',
             default: 'Y'
+        },
+        materialOverrides : {
+          describe: 'A JSON string describing overriden textures for materials in the .mtl file. Allows specifying different overrides for each material in the .mtl file. Example: \'{\"material1Name\": \"diffuseTexture\": \"PATH_TO_TEXTURE\", \"alphaTexture\": \"PATH_TO_TEXTURE\"}, "material2Name": {...}}\'',
+            type: 'string'
         }
     }).parse(args);
 
@@ -181,7 +185,8 @@ const options = {
     overridingTextures : overridingTextures,
     outputDirectory : outputDirectory,
     inputUpAxis : argv.inputUpAxis,
-    outputUpAxis : argv.outputUpAxis
+    outputUpAxis : argv.outputUpAxis,
+    materialOverrides: JSON.parse(argv.materialOverrides || '{}')
 };
 
 console.time('Total');
diff --git a/lib/loadMtl.js b/lib/loadMtl.js
index 7a3d00d6..5a9d8296 100644
--- a/lib/loadMtl.js
+++ b/lib/loadMtl.js
@@ -48,6 +48,7 @@ function loadMtl(mtlPath, options) {
     const overridingDiffuseTexture = overridingTextures.baseColorTexture;
     const overridingEmissiveTexture = overridingTextures.emissiveTexture;
     const overridingAlphaTexture = overridingTextures.alphaTexture;
+    const materialOverrides = defined(options.materialOverrides) ? options.materialOverrides : {};
 
     // Textures that are packed into PBR textures need to be decoded first
     const decodeOptions = {
@@ -68,16 +69,17 @@ function loadMtl(mtlPath, options) {
     };
 
     function createMaterial(name) {
+        const thisMaterialOverrides = defined(materialOverrides[name]) ? materialOverrides[name] : {};
         material = new Material();
         material.name = name;
         material.specularShininess = options.metallicRoughness ? 1.0 : 0.0;
-        material.specularTexture = overridingSpecularTexture;
-        material.specularShininessTexture = overridingSpecularShininessTexture;
-        material.diffuseTexture = overridingDiffuseTexture;
-        material.ambientTexture = overridingAmbientTexture;
-        material.normalTexture = overridingNormalTexture;
-        material.emissiveTexture = overridingEmissiveTexture;
-        material.alphaTexture = overridingAlphaTexture;
+        material.specularTexture = thisMaterialOverrides.specularTexture || overridingSpecularTexture;
+        material.specularShininessTexture = thisMaterialOverrides.specularShininessTexture || overridingSpecularShininessTexture;
+        material.diffuseTexture = thisMaterialOverrides.diffuseTexture || overridingDiffuseTexture;
+        material.ambientTexture = thisMaterialOverrides.ambientTexture || overridingAmbientTexture;
+        material.normalTexture = thisMaterialOverrides.normalTexture || overridingNormalTexture;
+        material.emissiveTexture = thisMaterialOverrides.emissiveTexture || overridingEmissiveTexture;
+        material.alphaTexture = thisMaterialOverrides.alphaTexture || overridingAlphaTexture;
         materials.push(material);
     }
 
@@ -139,31 +141,31 @@ function loadMtl(mtlPath, options) {
             value = line.substring(3).trim();
             material.alpha = correctAlpha(1.0 - parseFloat(value));
         } else if (/^map_Ka /i.test(line)) {
-            if (!defined(overridingAmbientTexture)) {
+            if (!defined(material.ambientTexture)) {
                 material.ambientTexture = normalizeTexturePath(line.substring(7).trim(), mtlDirectory);
             }
         } else if (/^map_Ke /i.test(line)) {
-            if (!defined(overridingEmissiveTexture)) {
+            if (!defined(material.emissiveTexture)) {
                 material.emissiveTexture = normalizeTexturePath(line.substring(7).trim(), mtlDirectory);
             }
         } else if (/^map_Kd /i.test(line)) {
-            if (!defined(overridingDiffuseTexture)) {
+            if (!defined(material.diffuseTexture)) {
                 material.diffuseTexture = normalizeTexturePath(line.substring(7).trim(), mtlDirectory);
             }
         } else if (/^map_Ks /i.test(line)) {
-            if (!defined(overridingSpecularTexture)) {
+            if (!defined(material.specularTexture)) {
                 material.specularTexture = normalizeTexturePath(line.substring(7).trim(), mtlDirectory);
             }
         } else if (/^map_Ns /i.test(line)) {
-            if (!defined(overridingSpecularShininessTexture)) {
+            if (!defined(material.specularShininessTexture)) {
                 material.specularShininessTexture = normalizeTexturePath(line.substring(7).trim(), mtlDirectory);
             }
         } else if (/^map_Bump /i.test(line)) {
-            if (!defined(overridingNormalTexture)) {
+            if (!defined(material.normalTexture)) {
                 material.normalTexture = normalizeTexturePath(line.substring(9).trim(), mtlDirectory);
             }
         } else if (/^map_d /i.test(line)) {
-            if (!defined(overridingAlphaTexture)) {
+            if (!defined(material.alphaTexture)) {
                 material.alphaTexture = normalizeTexturePath(line.substring(6).trim(), mtlDirectory);
             }
         }