diff --git a/MdePkg/Include/Protocol/DiskInfo.h b/MdePkg/Include/Protocol/DiskInfo.h
index a04c13b..bce27e8 100644
--- a/MdePkg/Include/Protocol/DiskInfo.h
+++ b/MdePkg/Include/Protocol/DiskInfo.h
@@ -204,5 +204,6 @@ extern EFI_GUID gEfiDiskInfoIdeInterfaceGuid;
 extern EFI_GUID gEfiDiskInfoScsiInterfaceGuid;
 extern EFI_GUID gEfiDiskInfoUsbInterfaceGuid;
 extern EFI_GUID gEfiDiskInfoAhciInterfaceGuid;
+extern EFI_GUID gEfiDiskInfoNvmeInterfaceGuid;
 
 #endif
diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec
index 0b822a1..3239520 100644
--- a/MdePkg/MdePkg.dec
+++ b/MdePkg/MdePkg.dec
@@ -615,6 +615,10 @@
   ## Include/Protocol/DiskInfo.h
   gEfiDiskInfoAhciInterfaceGuid  = { 0x9e498932, 0x4abc, 0x45af, { 0xa3, 0x4d, 0x02, 0x47, 0x78, 0x7b, 0xe7, 0xc6 }}
 
+  ## Guid for EFI_DISK_INFO_PROTOCOL.Interface to specify Nvme interface.
+  ## Include/Protocol/DiskInfo.h
+  gEfiDiskInfoNvmeInterfaceGuid  = { 0x3ab14680, 0x5d3f, 0x4a4d, {0xbc, 0xdc, 0xcc, 0x38, 0x0, 0x18, 0xc7, 0xf7 }}
+
   ## Include/Guid/StatusCodeDataTypeId.h
   gEfiStatusCodeDataTypeStringGuid = { 0x92D11080, 0x496F, 0x4D95, { 0xBE, 0x7E, 0x03, 0x74, 0x88, 0x38, 0x2B, 0x0A }}