diff --git a/demos/classification_benchmark_demo/cpp_gapi/classification_benchmark_demo_gapi.hpp b/demos/classification_benchmark_demo/cpp_gapi/classification_benchmark_demo_gapi.hpp
index 3215c0456ee..99ca73d10e5 100644
--- a/demos/classification_benchmark_demo/cpp_gapi/classification_benchmark_demo_gapi.hpp
+++ b/demos/classification_benchmark_demo/cpp_gapi/classification_benchmark_demo_gapi.hpp
@@ -51,7 +51,7 @@ DEFINE_string(res, "1280x720", image_grid_resolution_message);
 DEFINE_bool(no_show, false, no_show_message);
 DEFINE_uint32(time, std::numeric_limits<gflags::uint32>::max(), execution_time_message);
 DEFINE_string(u, "", utilization_monitors_message);
-DEFINE_string(backend, "IE", backend_message);
+DEFINE_string(backend, "OV", backend_message);
 DEFINE_string(mean_values, "", mean_values_message);
 DEFINE_string(scale_values, "", scale_values_message);
 
diff --git a/demos/face_detection_mtcnn_demo/cpp_gapi/main.cpp b/demos/face_detection_mtcnn_demo/cpp_gapi/main.cpp
index 44e2aa92674..fcd4bd980fc 100644
--- a/demos/face_detection_mtcnn_demo/cpp_gapi/main.cpp
+++ b/demos/face_detection_mtcnn_demo/cpp_gapi/main.cpp
@@ -28,7 +28,7 @@
 #include <opencv2/gapi/gstreaming.hpp>
 #include <opencv2/gapi/imgproc.hpp>
 #include <opencv2/gapi/infer.hpp>
-#include <opencv2/gapi/infer/ie.hpp>
+#include <opencv2/gapi/infer/ov.hpp>
 #include <opencv2/gapi/render/render.hpp>
 #include <opencv2/highgui.hpp>
 #include <opencv2/imgproc.hpp>
@@ -191,7 +191,7 @@ int main(int argc, char* argv[]) {
         // MTCNN Refinement detection network
         // clang-format off
         auto mtcnnr_net =
-            cv::gapi::ie::Params<nets::MTCNNRefinement>{
+            cv::gapi::ov::Params<nets::MTCNNRefinement>{
                 FLAGS_m_r,  // path to topology IR
                 fileNameNoExt(FLAGS_m_r) + ".bin",  // path to weights
                 FLAGS_d_r,  // device specifier
@@ -200,7 +200,7 @@ int main(int argc, char* argv[]) {
 
         // MTCNN Output detection network
         auto mtcnno_net =
-            cv::gapi::ie::Params<nets::MTCNNOutput>{
+            cv::gapi::ov::Params<nets::MTCNNOutput>{
                 FLAGS_m_o,  // path to topology IR
                 fileNameNoExt(FLAGS_m_o) + ".bin",  // path to weights
                 FLAGS_d_o,  // device specifier
@@ -213,13 +213,13 @@ int main(int argc, char* argv[]) {
         for (int i = 0; i < pyramid_levels; ++i) {
             std::string net_id = get_pnet_level_name(level_size[i]);
             std::vector<size_t> reshape_dims = {1, 3, size_t(level_size[i].width), size_t(level_size[i].height)};
-            cv::gapi::ie::Params<cv::gapi::Generic> mtcnnp_net{
+            cv::gapi::ov::Params<cv::gapi::Generic> mtcnnp_net{
                 net_id,  // tag
                 FLAGS_m_p,  // path to topology IR
                 fileNameNoExt(FLAGS_m_p) + ".bin",  // path to weights
                 FLAGS_d_p,  // device specifier
             };
-            mtcnnp_net.cfgInputReshape("data", reshape_dims);
+            mtcnnp_net.cfgReshape(reshape_dims);
             networks_mtcnn += cv::gapi::networks(mtcnnp_net);
         }
 
diff --git a/demos/interactive_face_detection_demo/cpp_gapi/main.cpp b/demos/interactive_face_detection_demo/cpp_gapi/main.cpp
index 5cd89a8f790..c52d670bcc4 100644
--- a/demos/interactive_face_detection_demo/cpp_gapi/main.cpp
+++ b/demos/interactive_face_detection_demo/cpp_gapi/main.cpp
@@ -38,7 +38,7 @@
 #include <opencv2/gapi/gproto.hpp>
 #include <opencv2/gapi/gstreaming.hpp>
 #include <opencv2/gapi/infer.hpp>
-#include <opencv2/gapi/infer/ie.hpp>
+#include <opencv2/gapi/infer/ov.hpp>
 #include <opencv2/gapi/infer/parsers.hpp>
 #include <opencv2/gapi/streaming/format.hpp>
 #include <opencv2/highgui.hpp>
@@ -469,7 +469,7 @@ int main(int argc, char* argv[]) {
     auto pipeline = cv::GComputation(cv::GIn(in), std::move(outs));
     /** ---------------- End of graph ---------------- **/
     /** Configure networks **/
-    auto det_net = cv::gapi::ie::Params<Faces>{
+    auto det_net = cv::gapi::ov::Params<Faces>{
         FLAGS_m,  // path to model
         fileNameNoExt(FLAGS_m) + ".bin",  // path to weights
         FLAGS_d  // device to use
@@ -478,7 +478,7 @@ int main(int argc, char* argv[]) {
 
     // clang-format off
     auto age_net =
-        cv::gapi::ie::Params<AgeGender>{
+        cv::gapi::ov::Params<AgeGender>{
             FLAGS_mag,  // path to model
             fileNameNoExt(FLAGS_mag) + ".bin",  // path to weights
             FLAGS_dag  // device to use
@@ -494,7 +494,7 @@ int main(int argc, char* argv[]) {
 
     // clang-format off
     auto hp_net =
-        cv::gapi::ie::Params<HeadPose>{
+        cv::gapi::ov::Params<HeadPose>{
             FLAGS_mhp,  // path to model
             fileNameNoExt(FLAGS_mhp) + ".bin",  // path to weights
             FLAGS_dhp  // device to use
@@ -510,7 +510,7 @@ int main(int argc, char* argv[]) {
 
     // clang-format off
     auto lm_net =
-        cv::gapi::ie::Params<FacialLandmark>{
+        cv::gapi::ov::Params<FacialLandmark>{
             FLAGS_mlm,  // path to model
             fileNameNoExt(FLAGS_mlm) + ".bin",  // path to weights
             FLAGS_dlm  // device to use
@@ -524,7 +524,7 @@ int main(int argc, char* argv[]) {
         slog::info << "Facial Landmarks Estimation DISABLED." << slog::endl;
     }
 
-    auto am_net = cv::gapi::ie::Params<ASpoof>{
+    auto am_net = cv::gapi::ov::Params<ASpoof>{
         FLAGS_mam,  // path to model
         fileNameNoExt(FLAGS_mam) + ".bin",  // path to weights
         FLAGS_dam  // device to use
@@ -535,7 +535,7 @@ int main(int argc, char* argv[]) {
         slog::info << "Anti Spoof DISABLED." << slog::endl;
     }
 
-    auto emo_net = cv::gapi::ie::Params<Emotions>{
+    auto emo_net = cv::gapi::ov::Params<Emotions>{
         FLAGS_mem,  // path to model
         fileNameNoExt(FLAGS_mem) + ".bin",  // path to weights
         FLAGS_dem  // device to use