diff --git a/lib/neutron b/lib/neutron
index 083b8735d8..f28ec9a6fe 100644
--- a/lib/neutron
+++ b/lib/neutron
@@ -201,35 +201,35 @@ fi
 # --------------------------------
 
 # The following variables control the Neutron ML2 plugins' allocation
-# of tenant networks and availability of provider networks. If these
-# are not configured in ``localrc``, tenant networks will be local to
+# of project networks and availability of provider networks. If these
+# are not configured in ``localrc``, project networks will be local to
 # the host (with no remote connectivity), and no physical resources
 # will be available for the allocation of provider networks.
 
-# To disable tunnels (GRE or VXLAN) for tenant networks,
+# To disable tunnels (GRE or VXLAN) for project networks,
 # set to False in ``local.conf``.
 # GRE tunnels are only supported by the openvswitch.
 ENABLE_TENANT_TUNNELS=${ENABLE_TENANT_TUNNELS:-True}
 
-# If using GRE, VXLAN or GENEVE tunnels for tenant networks,
-# specify the range of IDs from which tenant networks are
+# If using GRE, VXLAN or GENEVE tunnels for project networks,
+# specify the range of IDs from which project networks are
 # allocated. Can be overridden in ``localrc`` if necessary.
 TENANT_TUNNEL_RANGES=${TENANT_TUNNEL_RANGES:-1:1000}
 
-# To use VLANs for tenant networks, set to True in localrc. VLANs
+# To use VLANs for project networks, set to True in localrc. VLANs
 # are supported by the ML2 plugins, requiring additional configuration
 # described below.
 ENABLE_TENANT_VLANS=${ENABLE_TENANT_VLANS:-False}
 
-# If using VLANs for tenant networks, set in ``localrc`` to specify
-# the range of VLAN VIDs from which tenant networks are
+# If using VLANs for project networks, set in ``localrc`` to specify
+# the range of VLAN VIDs from which project networks are
 # allocated. An external network switch must be configured to
 # trunk these VLANs between hosts for multi-host connectivity.
 #
 # Example: ``TENANT_VLAN_RANGE=1000:1999``
 TENANT_VLAN_RANGE=${TENANT_VLAN_RANGE:-}
 
-# If using VLANs for tenant networks, or if using flat or VLAN
+# If using VLANs for project networks, or if using flat or VLAN
 # provider networks, set in ``localrc`` to the name of the physical
 # network, and also configure ``OVS_PHYSICAL_BRIDGE`` for the
 # openvswitch agent, as described below.
@@ -237,7 +237,7 @@ TENANT_VLAN_RANGE=${TENANT_VLAN_RANGE:-}
 # Example: ``PHYSICAL_NETWORK=default``
 PHYSICAL_NETWORK=${PHYSICAL_NETWORK:-public}
 
-# With the openvswitch agent, if using VLANs for tenant networks,
+# With the openvswitch agent, if using VLANs for project networks,
 # or if using flat or VLAN provider networks, set in ``localrc`` to
 # the name of the OVS bridge to use for the physical network. The
 # bridge will be created if it does not already exist, but a
diff --git a/lib/neutron_plugins/ml2 b/lib/neutron_plugins/ml2
index 687167bf79..71bede842e 100644
--- a/lib/neutron_plugins/ml2
+++ b/lib/neutron_plugins/ml2
@@ -72,16 +72,16 @@ function neutron_plugin_configure_common {
 
 function neutron_plugin_configure_service {
     if [[ "$Q_ML2_TENANT_NETWORK_TYPE" != "local" ]]; then
-        Q_SRV_EXTRA_OPTS+=(tenant_network_types=$Q_ML2_TENANT_NETWORK_TYPE)
+        Q_SRV_EXTRA_OPTS+=(project_network_types=$Q_ML2_TENANT_NETWORK_TYPE)
     elif [[ "$ENABLE_TENANT_TUNNELS" == "True" ]]; then
         # This assumes you want a simple configuration, and will overwrite
         # Q_SRV_EXTRA_OPTS if set in addition to ENABLE_TENANT_TUNNELS.
-        Q_SRV_EXTRA_OPTS+=(tenant_network_types=gre)
+        Q_SRV_EXTRA_OPTS+=(project_network_types=gre)
         Q_ML2_PLUGIN_GRE_TYPE_OPTIONS=(tunnel_id_ranges=$TENANT_TUNNEL_RANGES)
     elif [[ "$ENABLE_TENANT_VLANS" == "True" ]]; then
-        Q_SRV_EXTRA_OPTS+=(tenant_network_types=vlan)
+        Q_SRV_EXTRA_OPTS+=(project_network_types=vlan)
     else
-        echo "WARNING - The ml2 plugin is using local tenant networks, with no connectivity between hosts."
+        echo "WARNING - The ml2 plugin is using local project networks, with no connectivity between hosts."
     fi
 
     # Allow for overrding VLAN configuration (for example, to configure provider
diff --git a/lib/neutron_plugins/openvswitch b/lib/neutron_plugins/openvswitch
index 130eaacab3..c661a1a600 100644
--- a/lib/neutron_plugins/openvswitch
+++ b/lib/neutron_plugins/openvswitch
@@ -20,12 +20,12 @@ function neutron_plugin_configure_common {
 
 function neutron_plugin_configure_service {
     if [[ "$ENABLE_TENANT_TUNNELS" == "True" ]]; then
-        iniset /$Q_PLUGIN_CONF_FILE ovs tenant_network_type gre
+        iniset /$Q_PLUGIN_CONF_FILE ovs project_network_type gre
         iniset /$Q_PLUGIN_CONF_FILE ovs tunnel_id_ranges $TENANT_TUNNEL_RANGES
     elif [[ "$ENABLE_TENANT_VLANS" == "True" ]]; then
-        iniset /$Q_PLUGIN_CONF_FILE ovs tenant_network_type vlan
+        iniset /$Q_PLUGIN_CONF_FILE ovs project_network_type vlan
     else
-        echo "WARNING - The openvswitch plugin is using local tenant networks, with no connectivity between hosts."
+        echo "WARNING - The openvswitch plugin is using local project networks, with no connectivity between hosts."
     fi
 
     # Override ``OVS_VLAN_RANGES`` and ``OVS_BRIDGE_MAPPINGS`` in ``localrc``
diff --git a/lib/neutron_plugins/services/l3 b/lib/neutron_plugins/services/l3
index bbedc57a44..238dd34b56 100644
--- a/lib/neutron_plugins/services/l3
+++ b/lib/neutron_plugins/services/l3
@@ -35,7 +35,7 @@ Q_PUBLIC_VETH_INT=${Q_PUBLIC_VETH_INT:-veth-pub-int}
 # The next variable is configured by plugin
 # e.g.  _configure_neutron_l3_agent or lib/neutron_plugins/*
 #
-# L3 routers exist per tenant
+# L3 routers exist per project
 Q_L3_ROUTER_PER_TENANT=${Q_L3_ROUTER_PER_TENANT:-True}
 
 
@@ -216,7 +216,7 @@ function create_neutron_initial_network {
     if is_networking_extension_supported "router" && is_networking_extension_supported "external-net"; then
         # Create a router, and add the private subnet as one of its interfaces
         if [[ "$Q_L3_ROUTER_PER_TENANT" == "True" ]]; then
-            # create a tenant-owned router.
+            # create a project-owned router.
             ROUTER_ID=$(openstack --os-cloud devstack --os-region "$REGION_NAME" router create $Q_ROUTER_NAME -f value -c id)
             die_if_not_set $LINENO ROUTER_ID "Failure creating router $Q_ROUTER_NAME"
         else
@@ -387,7 +387,7 @@ function _neutron_configure_router_v6 {
         # Override global IPV6_ROUTER_GW_IP with the true value from neutron
         # NOTE(slaweq): when enforce scopes is enabled in Neutron, router's
         # gateway ports aren't visible in API because such ports don't belongs
-        # to any tenant. Because of that, at least temporary we need to find
+        # to any project. Because of that, at least temporary we need to find
         # IPv6 address of the router's gateway in a bit different way.
         # It can be reverted when bug
         # https://bugs.launchpad.net/neutron/+bug/1959332 will be fixed
diff --git a/tools/ping_neutron.sh b/tools/ping_neutron.sh
index ab8e8dfca8..2b65fd0fb3 100755
--- a/tools/ping_neutron.sh
+++ b/tools/ping_neutron.sh
@@ -21,7 +21,7 @@ set -o pipefail
 
 TOP_DIR=$(cd $(dirname "$0")/.. && pwd)
 
-# This *must* be run as the admin tenant
+# This *must* be run as the admin project
 source $TOP_DIR/openrc admin admin
 
 function usage {
@@ -29,7 +29,7 @@ function usage {
 ping_neutron.sh <net_name> [ping args]
 
 This provides a wrapper to ping neutron guests that are on isolated
-tenant networks that the caller can't normally reach. It does so by
+project networks that the caller can't normally reach. It does so by
 using either the DHCP or Metadata network namespace to support both
 ML2/OVS and OVN.