diff --git a/dlls/urlmon/tests/uri.c b/dlls/urlmon/tests/uri.c
index 580dfa336e4..81053deea14 100644
--- a/dlls/urlmon/tests/uri.c
+++ b/dlls/urlmon/tests/uri.c
@@ -68,6 +68,7 @@ static HRESULT (WINAPI *pCreateIUriBuilder)(IUri*, DWORD, DWORD_PTR, IUriBuilder
 static HRESULT (WINAPI *pCoInternetCombineIUri)(IUri*,IUri*,DWORD,IUri**,DWORD_PTR);
 static HRESULT (WINAPI *pCoInternetGetSession)(DWORD,IInternetSession**,DWORD);
 static HRESULT (WINAPI *pCoInternetCombineUrlEx)(IUri*,LPCWSTR,DWORD,IUri**,DWORD_PTR);
+static HRESULT (WINAPI *pCoInternetParseIUri)(IUri*,PARSEACTION,DWORD,LPWSTR,DWORD,DWORD*,DWORD_PTR);
 
 static const WCHAR http_urlW[] = { 'h','t','t','p',':','/','/','w','w','w','.','w','i','n','e','h','q',
         '.','o','r','g','/',0};
@@ -9441,6 +9442,57 @@ static void test_CoInternetCombineUrlEx_Pluggable(void) {
     if(base) IUri_Release(base);
 }
 
+static void test_CoInternetParseIUri_InvalidArgs(void) {
+    HRESULT hr;
+    IUri *uri = NULL;
+    WCHAR tmp[3];
+    DWORD result = -1;
+
+    hr = pCoInternetParseIUri(NULL, PARSE_CANONICALIZE, 0, tmp, 3, &result, 0);
+    ok(hr == E_INVALIDARG, "Error: CoInternetParseIUri returned 0x%08x, expected 0x%08x.\n",
+        hr, E_INVALIDARG);
+    ok(!result, "Error: Expected 'result' to be 0, but was %d.\n", result);
+
+    hr = pCreateUri(http_urlW, 0, 0, &uri);
+    ok(SUCCEEDED(hr), "Error: CreateUri returned 0x%08x.\n", hr);
+    if(SUCCEEDED(hr)) {
+        result = -1;
+        hr = pCoInternetParseIUri(uri, PARSE_CANONICALIZE, 0, NULL, 0, &result, 0);
+        ok(hr == E_INVALIDARG, "Error: CoInternetParseIUri returned 0x%08x, expected 0x%08x.\n",
+            hr, E_INVALIDARG);
+        ok(!result, "Error: Expected 'result' to be 0, but was %d.\n", result);
+
+        hr = pCoInternetParseIUri(uri, PARSE_CANONICALIZE, 0, tmp, 3, NULL, 0);
+        ok(hr == E_POINTER, "Error: CoInternetParseIUri returned 0x%08x, expected 0x%08x.\n",
+            hr, E_POINTER);
+
+        result = -1;
+        hr = pCoInternetParseIUri(uri, PARSE_SECURITY_URL, 0, tmp, 3, &result, 0);
+        ok(hr == E_FAIL, "Error: CoInternetParseIUri returned 0x%08x expected 0x%08x.\n",
+            hr, E_FAIL);
+        ok(!result, "Error: Expected 'result' to be 0, but was %d.\n", result);
+
+        result = -1;
+        hr = pCoInternetParseIUri(uri, PARSE_MIME, 0, tmp, 3, &result, 0);
+        ok(hr == E_FAIL, "Error: CoInternetParseIUri returned 0x%08x, expected 0x%08x.\n",
+            hr, E_FAIL);
+        ok(!result, "Error: Expected 'result' to be 0, but was %d.\n", result);
+
+        result = -1;
+        hr = pCoInternetParseIUri(uri, PARSE_SERVER, 0, tmp, 3, &result, 0);
+        ok(hr == E_FAIL, "Error: CoInternetParseIUri returned 0x%08x, expected 0x%08x.\n",
+            hr, E_FAIL);
+        ok(!result, "Error: Expected 'result' to be 0, but was %d.\n", result);
+
+        result = -1;
+        hr = pCoInternetParseIUri(uri, PARSE_SECURITY_DOMAIN, 0, tmp, 3, &result, 0);
+        ok(hr == E_FAIL, "Error: CoInternetParseIUri returned 0x%08x, expected 0x%08x.\n",
+            hr, E_FAIL);
+        ok(!result, "Error: Expected 'result' to be 0, but was %d.\n", result);
+    }
+    if(uri) IUri_Release(uri);
+}
+
 START_TEST(uri) {
     HMODULE hurlmon;
 
@@ -9451,6 +9503,7 @@ START_TEST(uri) {
     pCreateIUriBuilder = (void*) GetProcAddress(hurlmon, "CreateIUriBuilder");
     pCoInternetCombineIUri = (void*) GetProcAddress(hurlmon, "CoInternetCombineIUri");
     pCoInternetCombineUrlEx = (void*) GetProcAddress(hurlmon, "CoInternetCombineUrlEx");
+    pCoInternetParseIUri = (void*) GetProcAddress(hurlmon, "CoInternetParseIUri");
 
     if(!pCreateUri) {
         win_skip("CreateUri is not present, skipping tests.\n");
@@ -9529,6 +9582,9 @@ START_TEST(uri) {
     trace("test CoInternetCombineUrlEx...\n");
     test_CoInternetCombineUrlEx();
 
+    trace("test CoInternetParseIUri Invalid Args...\n");
+    test_CoInternetParseIUri_InvalidArgs();
+
     register_protocols();
 
     trace("test CoInternetCombineIUri pluggable...\n");
diff --git a/dlls/urlmon/uri.c b/dlls/urlmon/uri.c
index 61140c033d6..cad7c983610 100644
--- a/dlls/urlmon/uri.c
+++ b/dlls/urlmon/uri.c
@@ -6080,3 +6080,41 @@ HRESULT WINAPI CoInternetCombineUrlEx(IUri *pBaseUri, LPCWSTR pwzRelativeUrl, DW
     IUri_Release(relative);
     return hr;
 }
+
+/***********************************************************************
+ *           CoInternetParseIUri (urlmon.@)
+ */
+HRESULT WINAPI CoInternetParseIUri(IUri *pIUri, PARSEACTION ParseAction, DWORD dwFlags,
+                                   LPWSTR pwzResult, DWORD cchResult, DWORD *pcchResult,
+                                   DWORD_PTR dwReserved)
+{
+    HRESULT hr;
+
+    TRACE("(%p %d %x %p %d %p %x)\n", pIUri, ParseAction, dwFlags, pwzResult,
+        cchResult, pcchResult, (DWORD)dwReserved);
+
+    if(!pcchResult)
+        return E_POINTER;
+
+    if(!pwzResult || !pIUri) {
+        *pcchResult = 0;
+        return E_INVALIDARG;
+    }
+
+    switch(ParseAction) {
+    case PARSE_SECURITY_URL:
+    case PARSE_MIME:
+    case PARSE_SERVER:
+    case PARSE_SECURITY_DOMAIN:
+        *pcchResult = 0;
+        hr = E_FAIL;
+        break;
+    default:
+        *pcchResult = 0;
+        hr = E_NOTIMPL;
+        FIXME("(%p %d %x %p %d %p %x) Partial stub.\n", pIUri, ParseAction, dwFlags,
+            pwzResult, cchResult, pcchResult, (DWORD)dwReserved);
+    }
+
+    return hr;
+}
diff --git a/dlls/urlmon/urlmon.spec b/dlls/urlmon/urlmon.spec
index a4173d7ee13..9d3de3a61dc 100644
--- a/dlls/urlmon/urlmon.spec
+++ b/dlls/urlmon/urlmon.spec
@@ -21,6 +21,7 @@
 @ stdcall CoInternetGetSession(long ptr long)
 @ stdcall CoInternetIsFeatureEnabled(long long)
 @ stdcall CoInternetParseUrl(wstr long long wstr long ptr long)
+@ stdcall CoInternetParseIUri(ptr long long wstr long ptr long)
 @ stdcall CoInternetQueryInfo(ptr long long ptr long ptr long)
 @ stdcall CoInternetSetFeatureEnabled(long long long)
 @ stub CompareSecurityIds
diff --git a/include/urlmon.idl b/include/urlmon.idl
index 7a92e213d9f..d1eee68cb02 100644
--- a/include/urlmon.idl
+++ b/include/urlmon.idl
@@ -1935,6 +1935,7 @@ cpp_quote("HRESULT WINAPI CoInternetCompareUrl(LPCWSTR,LPCWSTR,DWORD);")
 cpp_quote("HRESULT WINAPI CoInternetCombineIUri(IUri*,IUri*,DWORD,IUri**,DWORD_PTR);")
 cpp_quote("HRESULT WINAPI CoInternetCreateZoneManager(IServiceProvider*, IInternetZoneManager**, DWORD);")
 cpp_quote("HRESULT WINAPI CoInternetParseUrl(LPCWSTR,PARSEACTION,DWORD,LPWSTR,DWORD,DWORD*,DWORD);")
+cpp_quote("HRESULT WINAPI CoInternetParseIUri(IUri*,PARSEACTION,DWORD,LPWSTR,DWORD,DWORD*,DWORD_PTR);")
 cpp_quote("HRESULT WINAPI CoInternetQueryInfo(LPCWSTR,QUERYOPTION,DWORD,LPVOID,DWORD,DWORD*,DWORD);")
 cpp_quote("HRESULT WINAPI CoInternetSetFeatureEnabled(INTERNETFEATURELIST,DWORD,BOOL);")
 cpp_quote("HRESULT WINAPI CoInternetGetSecurityUrl(LPCWSTR,LPWSTR*,PSUACTION,DWORD);")