diff --git a/manila/db/sqlalchemy/models.py b/manila/db/sqlalchemy/models.py
index f739a1849a..718dcbe3be 100644
--- a/manila/db/sqlalchemy/models.py
+++ b/manila/db/sqlalchemy/models.py
@@ -590,7 +590,7 @@ def state(self):
 
     instance_mappings = orm.relationship(
         "ShareInstanceAccessMapping",
-        lazy='immediate',
+        lazy='selectin',
         primaryjoin=(
             'and_('
             'ShareAccessMapping.id == '
@@ -621,7 +621,7 @@ class ShareAccessRulesMetadata(BASE, ManilaBase):
     access = orm.relationship(
         ShareAccessMapping, backref="share_access_rules_metadata",
         foreign_keys=access_id,
-        lazy='immediate',
+        lazy='selectin',
         primaryjoin='and_('
         'ShareAccessRulesMetadata.access_id == ShareAccessMapping.id,'
         'ShareAccessRulesMetadata.deleted == "False")')
@@ -646,7 +646,7 @@ def set_share_access_data(self, share_access):
 
     instance = orm.relationship(
         "ShareInstance",
-        lazy='immediate',
+        lazy='selectin',
         primaryjoin=(
             'and_('
             'ShareInstanceAccessMapping.share_instance_id == '
@@ -856,7 +856,7 @@ def size(self):
 
     export_locations = orm.relationship(
         "ShareSnapshotInstanceExportLocation",
-        lazy='immediate',
+        lazy='selectin',
         primaryjoin=(
             'and_('
             'ShareSnapshotInstance.id == '
@@ -866,7 +866,7 @@ def size(self):
     )
     share_instance = orm.relationship(
         ShareInstance, backref="snapshot_instances",
-        lazy='immediate',
+        lazy='selectin',
         primaryjoin=(
             'and_('
             'ShareSnapshotInstance.share_instance_id == ShareInstance.id,'
@@ -874,7 +874,7 @@ def size(self):
     )
     snapshot = orm.relationship(
         "ShareSnapshot",
-        lazy="immediate",
+        lazy='selectin',
         foreign_keys=snapshot_id,
         backref="instances",
         primaryjoin=(
@@ -888,7 +888,7 @@ def size(self):
     )
     share_group_snapshot = orm.relationship(
         "ShareGroupSnapshot",
-        lazy="immediate",
+        lazy='selectin',
         foreign_keys=share_group_snapshot_id,
         backref="share_group_snapshot_members",
         primaryjoin=('ShareGroupSnapshot.id == '
@@ -921,7 +921,7 @@ def state(self):
 
     instance_mappings = orm.relationship(
         "ShareSnapshotInstanceAccessMapping",
-        lazy='immediate',
+        lazy='selectin',
         primaryjoin=(
             'and_('
             'ShareSnapshotAccessMapping.id == '
@@ -952,7 +952,7 @@ def set_snapshot_access_data(self, snapshot_access):
 
     instance = orm.relationship(
         "ShareSnapshotInstance",
-        lazy='immediate',
+        lazy='selectin',
         primaryjoin=(
             'and_('
             'ShareSnapshotInstanceAccessMapping.share_snapshot_instance_id == '
diff --git a/releasenotes/notes/bug-1859785-share-snapshot-and-access-list-speed-improvement-a7a0c4019de1164d.yaml b/releasenotes/notes/bug-1859785-share-snapshot-and-access-list-speed-improvement-a7a0c4019de1164d.yaml
new file mode 100644
index 0000000000..730f40d6ee
--- /dev/null
+++ b/releasenotes/notes/bug-1859785-share-snapshot-and-access-list-speed-improvement-a7a0c4019de1164d.yaml
@@ -0,0 +1,7 @@
+---
+fixes:
+  - |
+    Improved share snapshot and access list speed using lazy='selectin'. The
+    sqlalchemy models of share snapshot and access rule relationships previously
+    had lazy='immediate'. This resulted in extra queries when querying for all
+    share snapshot and access rule details.