diff --git a/docs/data-sources/tenant_projects.md b/docs/data-sources/tenant_projects.md
new file mode 100644
index 000000000..4275f7459
--- /dev/null
+++ b/docs/data-sources/tenant_projects.md
@@ -0,0 +1,39 @@
+---
+# generated by https://github.com/hashicorp/terraform-plugin-docs
+page_title: "octopusdeploy_tenant_projects Data Source - terraform-provider-octopusdeploy"
+subcategory: ""
+description: |-
+  Provides information about existing tenants.
+---
+
+# octopusdeploy_tenant_projects (Data Source)
+
+Provides information about existing tenants.
+
+
+
+<!-- schema generated by tfplugindocs -->
+## Schema
+
+### Optional
+
+- `environment_ids` (List of String) A filter to search by a list of IDs.
+- `project_ids` (List of String) A filter to search by a list of IDs.
+- `space_id` (String) The space ID associated with this tenant projects.
+- `tenant_ids` (List of String) A filter to search by a list of IDs.
+
+### Read-Only
+
+- `tenant_projects` (Block List) A list of related tenants, projects and environments that match the filter(s). (see [below for nested schema](#nestedblock--tenant_projects))
+
+<a id="nestedblock--tenant_projects"></a>
+### Nested Schema for `tenant_projects`
+
+Read-Only:
+
+- `environment_ids` (List of String) The environment IDs associated with this tenant.
+- `id` (String) The unique ID for this resource.
+- `project_id` (String) The project ID associated with this tenant.
+- `tenant_id` (String) The tenant ID associated with this tenant.
+
+
diff --git a/octopusdeploy_framework/datasource_tenant_projects.go b/octopusdeploy_framework/datasource_tenant_projects.go
new file mode 100644
index 000000000..2814811c9
--- /dev/null
+++ b/octopusdeploy_framework/datasource_tenant_projects.go
@@ -0,0 +1,202 @@
+package octopusdeploy_framework
+
+import (
+	"context"
+	"fmt"
+	"github.com/OctopusDeploy/go-octopusdeploy/v2/pkg/client"
+	"github.com/OctopusDeploy/go-octopusdeploy/v2/pkg/tenants"
+	"github.com/OctopusDeploy/terraform-provider-octopusdeploy/octopusdeploy_framework/schemas"
+	"github.com/OctopusDeploy/terraform-provider-octopusdeploy/octopusdeploy_framework/util"
+	"github.com/hashicorp/terraform-plugin-framework/attr"
+	"github.com/hashicorp/terraform-plugin-framework/datasource"
+	datasourceSchema "github.com/hashicorp/terraform-plugin-framework/datasource/schema"
+	"github.com/hashicorp/terraform-plugin-framework/types"
+	"golang.org/x/exp/slices"
+)
+
+type TenantProjectsDataModel struct {
+	SpaceID        types.String `tfsdk:"space_id"`
+	TenantIDs      types.List   `tfsdk:"tenant_ids"`
+	ProjectIDs     types.List   `tfsdk:"project_ids"`
+	EnvironmentIDs types.List   `tfsdk:"environment_ids"`
+	TenantProjects types.List   `tfsdk:"tenant_projects"`
+}
+
+type tenantProjectsDataSource struct {
+	*Config
+}
+
+func NewTenantProjectDataSource() datasource.DataSource {
+	return &tenantProjectsDataSource{}
+}
+
+func (*tenantProjectsDataSource) Metadata(_ context.Context, req datasource.MetadataRequest, resp *datasource.MetadataResponse) {
+	resp.TypeName = util.GetTypeName("tenant_projects")
+}
+
+func (t *tenantProjectsDataSource) Configure(_ context.Context, req datasource.ConfigureRequest, resp *datasource.ConfigureResponse) {
+	t.Config = DataSourceConfiguration(req, resp)
+}
+
+func (*tenantProjectsDataSource) Schema(_ context.Context, req datasource.SchemaRequest, resp *datasource.SchemaResponse) {
+	resp.Schema = datasourceSchema.Schema{
+		Description: "Provides information about existing tenants.",
+		Attributes: map[string]datasourceSchema.Attribute{
+			"tenant_ids":      schemas.GetQueryIDsDatasourceSchema(),
+			"project_ids":     schemas.GetQueryIDsDatasourceSchema(),
+			"environment_ids": schemas.GetQueryIDsDatasourceSchema(),
+			"space_id":        schemas.GetSpaceIdDatasourceSchema("tenant projects", false),
+		},
+		Blocks: map[string]datasourceSchema.Block{
+			"tenant_projects": datasourceSchema.ListNestedBlock{
+				Description: "A list of related tenants, projects and environments that match the filter(s).",
+				NestedObject: datasourceSchema.NestedBlockObject{
+					Attributes: map[string]datasourceSchema.Attribute{
+						"id": schemas.GetIdDatasourceSchema(true),
+						"tenant_id": datasourceSchema.StringAttribute{
+							Description: "The tenant ID associated with this tenant.",
+							Computed:    true,
+						},
+						"project_id": datasourceSchema.StringAttribute{
+							Description: "The project ID associated with this tenant.",
+							Computed:    true,
+						},
+						"environment_ids": datasourceSchema.ListAttribute{
+							Description: "The environment IDs associated with this tenant.",
+							ElementType: types.StringType,
+							Computed:    true,
+						},
+					},
+				},
+			},
+		},
+	}
+}
+
+func (t *tenantProjectsDataSource) Read(ctx context.Context, req datasource.ReadRequest, resp *datasource.ReadResponse) {
+	var data TenantProjectsDataModel
+	resp.Diagnostics.Append(req.Config.Get(ctx, &data)...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+
+	tenantIDs := util.ExpandStringList(data.TenantIDs)
+	projectIDs := util.ExpandStringList(data.ProjectIDs)
+	environmentIDs := util.ExpandStringList(data.EnvironmentIDs)
+	spaceID := data.SpaceID.ValueString()
+
+	if (tenantIDs == nil || len(tenantIDs) == 0) && (projectIDs == nil || len(projectIDs) == 0) {
+		resp.Diagnostics.AddError("must provide at least one tenant or one project", "tenant IDs and project IDs are nil")
+		return
+	}
+
+	var tenantData []*tenants.Tenant
+	if tenantIDs == nil {
+		tenantData = make([]*tenants.Tenant, 0)
+		for _, projectID := range projectIDs {
+			// todo: should consider using concurrency
+			tenantsByProjectID, err := getTenantByProjectID(t.Client, projectID, spaceID)
+			if err != nil {
+				resp.Diagnostics.AddError("unable to load tenant data for project", err.Error())
+				return
+			}
+			tenantData = append(tenantData, tenantsByProjectID...)
+		}
+	} else {
+		tenantQuery := tenants.TenantsQuery{
+			IDs: tenantIDs,
+		}
+		tenantResource, err := tenants.Get(t.Client, spaceID, tenantQuery)
+		if err != nil {
+			resp.Diagnostics.AddError("unable to load tenant data", err.Error())
+			return
+		}
+		tenantData, err = tenantResource.GetAllPages(t.Client.Sling())
+		if err != nil {
+			resp.Diagnostics.AddError("unable to load tenant data", err.Error())
+			return
+		}
+	}
+
+	// todo: refactor
+	flattenedTenantProjects := make([]any, 0)
+	for _, tenant := range tenantData {
+		if projectIDs == nil {
+			for projectID, envIDs := range tenant.ProjectEnvironments {
+				if environmentIDs != nil {
+					for _, envID := range envIDs {
+						if slices.Contains(environmentIDs, envID) {
+							flattenedTenantProjects = append(flattenedTenantProjects, flattenTenantProject(tenant, projectID))
+							break
+						}
+					}
+				} else {
+					flattenedTenantProjects = append(flattenedTenantProjects, flattenTenantProject(tenant, projectID))
+				}
+			}
+			continue
+		}
+		for _, projectID := range projectIDs {
+			if envIDs, ok := tenant.ProjectEnvironments[projectID]; ok {
+				if environmentIDs != nil {
+					for _, envID := range envIDs {
+						if slices.Contains(environmentIDs, envID) {
+							flattenedTenantProjects = append(flattenedTenantProjects, flattenTenantProject(tenant, projectID))
+							break
+						}
+					}
+				} else {
+					flattenedTenantProjects = append(flattenedTenantProjects, flattenTenantProject(tenant, projectID))
+				}
+			}
+
+		}
+	}
+
+	data.TenantProjects, _ = types.ListValueFrom(ctx, types.ObjectType{AttrTypes: tenantProjectType()}, flattenedTenantProjects)
+	resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
+}
+
+func getTenantByProjectID(c *client.Client, projectID string, spaceID string) ([]*tenants.Tenant, error) {
+	tenantQuery := tenants.TenantsQuery{
+		ProjectID: projectID,
+	}
+	tenantResource, err := tenants.Get(c, spaceID, tenantQuery)
+	if err != nil {
+		return nil, err
+	}
+	tenantData, err := tenantResource.GetAllPages(c.Sling())
+	if err != nil {
+		return nil, err
+	}
+	return tenantData, nil
+}
+
+func buildTenantProjectID(spaceID string, tenantID string, projectID string) string {
+	return fmt.Sprintf("%s:%s:%s", spaceID, tenantID, projectID)
+}
+
+func tenantProjectType() map[string]attr.Type {
+	return map[string]attr.Type{
+		"id":              types.StringType,
+		"tenant_id":       types.StringType,
+		"project_id":      types.StringType,
+		"environment_ids": types.ListType{ElemType: types.StringType},
+	}
+}
+
+func flattenTenantProject(tenant *tenants.Tenant, projectID string) attr.Value {
+	environmentIDs := make([]attr.Value, len(tenant.ProjectEnvironments[projectID]))
+	for i, envID := range tenant.ProjectEnvironments[projectID] {
+		environmentIDs[i] = types.StringValue(envID)
+	}
+
+	environmentIdList, _ := types.ListValue(types.StringType, environmentIDs)
+
+	return types.ObjectValueMust(tenantProjectType(), map[string]attr.Value{
+		"id":              types.StringValue(buildTenantProjectID(tenant.SpaceID, tenant.ID, projectID)),
+		"tenant_id":       types.StringValue(tenant.ID),
+		"project_id":      types.StringValue(projectID),
+		"environment_ids": environmentIdList,
+	})
+}
diff --git a/octopusdeploy_framework/framework_provider.go b/octopusdeploy_framework/framework_provider.go
index a562879a1..265eeac96 100644
--- a/octopusdeploy_framework/framework_provider.go
+++ b/octopusdeploy_framework/framework_provider.go
@@ -73,6 +73,7 @@ func (p *octopusDeployFrameworkProvider) DataSources(ctx context.Context) []func
 		NewTenantsDataSource,
 		NewTagSetsDataSource,
 		NewScriptModuleDataSource,
+		NewTenantProjectDataSource,
 	}
 }