diff --git a/docs/sections/Mailer.md b/docs/sections/Mailer.md
index 4bdc9b6c4..d095acabc 100644
--- a/docs/sections/Mailer.md
+++ b/docs/sections/Mailer.md
@@ -62,9 +62,9 @@ All routes are `AdminOnly`.
 
 - **Profiles**: reads `IUserEmailService.FindVerifiedEmailWithUserAsync`, `FindAnyUserIdByEmailAsync`, `DeleteEmailAsync`, `GetPrimaryEmailsByUserIdsAsync`; reads/writes `ICommunicationPreferenceService.GetAsync` / `UpdatePreferenceAsync` / `GetCountByCategoryAndStateAsync`.
 - **Users**: writes via `IAccountProvisioningService.FindOrCreateUserByEmailAsync`; reads `IUserService.GetByIdAsync` (tombstone follow), `IUserService.GetCountByContactSourceAsync`.
-- **Tickets**: `ITicketQueryService.GetUserIdsWithTicketsAsync` — audience-side ticket-holder enumeration for `TicketNoShiftsAudience` and `HasTicketAudience`. Scoped to the active vendor event by the cached decorator (see `TicketSyncState.VendorEventId`).
+- **Tickets**: `ITicketQueryService.GetUserIdsWithTicketsAsync` — audience-side ticket-holder enumeration for `TicketNoShiftsAudience`, `HasTicketAudience`, and `MarketingNoTicketAudience`. Scoped to the active vendor event by the cached decorator (see `TicketSyncState.VendorEventId`).
 - **Shifts**: `IShiftView.GetUsersAsync` + `IUserService.GetAllUserInfosAsync` — cached per-user shift signups, used by `TicketNoShiftsAudience` and `HasShiftAudience` (encode Pending/Confirmed-on-active-event via `ShiftUserView.HasShift`).
-- **Users**: `IUserService.GetAllUserInfosAsync` — audience-side enumeration of explicit Marketing opt-ins for `MarketingAudience` (`UserInfo.MarketingOptedOut == false`).
+- **Users**: `IUserService.GetAllUserInfosAsync` — audience-side enumeration of explicit Marketing opt-ins for `MarketingAudience` and `MarketingNoTicketAudience` (`UserInfo.MarketingOptedOut == false`).
 - **AuditLog**: writes via `IAuditLogService.LogAsync` (job overload).
 
 ## Architecture
diff --git a/src/Humans.Application/Services/Mailer/Audiences/MarketingNoTicketAudience.cs b/src/Humans.Application/Services/Mailer/Audiences/MarketingNoTicketAudience.cs
new file mode 100644
index 000000000..0f316724b
--- /dev/null
+++ b/src/Humans.Application/Services/Mailer/Audiences/MarketingNoTicketAudience.cs
@@ -0,0 +1,30 @@
+using Humans.Application.Interfaces.Mailer;
+using Humans.Application.Interfaces.Tickets;
+using Humans.Application.Interfaces.Users;
+
+namespace Humans.Application.Services.Mailer.Audiences;
+
+/// <summary>
+/// "Humans - Marketing no Ticket" — humans who have explicitly opted in to the
+/// Marketing communication category (<see cref="UserInfo.MarketingOptedOut"/> == false)
+/// AND do not currently hold a ticket in the active vendor event.
+/// Users with no Marketing preference row (default-off) or who hold a ticket are excluded.
+/// </summary>
+public sealed class MarketingNoTicketAudience(
+    IUserService users,
+    ITicketQueryService tickets) : IMailerAudience
+{
+    public string Key => "marketing-no-ticket";
+    public string DisplayName => "Marketing opt-ins without a ticket";
+    public string MailerLiteGroupName => "Humans - Marketing no Ticket";
+
+    public async Task<IReadOnlySet<Guid>> ComputeMemberUserIdsAsync(CancellationToken ct)
+    {
+        var ticketHolders = await tickets.GetUserIdsWithTicketsAsync();
+        var allUsers = await users.GetAllUserInfosAsync(ct);
+        return allUsers
+            .Where(u => u.MarketingOptedOut == false && !ticketHolders.Contains(u.Id))
+            .Select(u => u.Id)
+            .ToHashSet();
+    }
+}
diff --git a/src/Humans.Web/Extensions/Sections/MailerSectionExtensions.cs b/src/Humans.Web/Extensions/Sections/MailerSectionExtensions.cs
index 061fb022b..176a67e50 100644
--- a/src/Humans.Web/Extensions/Sections/MailerSectionExtensions.cs
+++ b/src/Humans.Web/Extensions/Sections/MailerSectionExtensions.cs
@@ -52,6 +52,7 @@ internal static IServiceCollection AddMailerSection(
         services.AddScoped<IMailerAudience, HasShiftAudience>();
         services.AddScoped<IMailerAudience, HasTicketAudience>();
         services.AddScoped<IMailerAudience, MarketingAudience>();
+        services.AddScoped<IMailerAudience, MarketingNoTicketAudience>();
         services.AddTransient<MailerAudienceSyncJob>();
 
         return services;
diff --git a/tests/Humans.Application.Tests/Services/Mailer/Audiences/MarketingNoTicketAudienceTests.cs b/tests/Humans.Application.Tests/Services/Mailer/Audiences/MarketingNoTicketAudienceTests.cs
new file mode 100644
index 000000000..4b5f34ca8
--- /dev/null
+++ b/tests/Humans.Application.Tests/Services/Mailer/Audiences/MarketingNoTicketAudienceTests.cs
@@ -0,0 +1,86 @@
+using AwesomeAssertions;
+using Humans.Application.Interfaces.Tickets;
+using Humans.Application.Interfaces.Users;
+using Humans.Application.Services.Mailer.Audiences;
+using Humans.Application.Tests.Infrastructure;
+using Humans.Domain.Entities;
+using Humans.Domain.Enums;
+using NodaTime;
+using NSubstitute;
+
+namespace Humans.Application.Tests.Services.Mailer.Audiences;
+
+public class MarketingNoTicketAudienceTests
+{
+    [HumansFact]
+    public async Task ComputeMemberUserIdsAsync_ExcludesTicketHolders_AndNonOptIns()
+    {
+        var optInNoTicket = Guid.NewGuid();   // OptedOut=false, no ticket   → IN
+        var optInWithTicket = Guid.NewGuid(); // OptedOut=false, has ticket  → OUT
+        var optedOut = Guid.NewGuid();        // OptedOut=true               → OUT
+        var noPrefRow = Guid.NewGuid();       // no row                      → OUT
+
+        var audience = NewAudience(
+            users: new[]
+            {
+                UserWithMarketingPref(optInNoTicket, optedOut: false),
+                UserWithMarketingPref(optInWithTicket, optedOut: false),
+                UserWithMarketingPref(optedOut, optedOut: true),
+                UserWithoutMarketingPref(noPrefRow),
+            },
+            ticketHolders: [optInWithTicket]);
+
+        var members = await audience.ComputeMemberUserIdsAsync(CancellationToken.None);
+
+        members.Should().BeEquivalentTo([optInNoTicket]);
+    }
+
+    [HumansFact]
+    public async Task ComputeMemberUserIdsAsync_NoUsers_ReturnsEmpty()
+    {
+        var audience = NewAudience([], []);
+
+        var members = await audience.ComputeMemberUserIdsAsync(CancellationToken.None);
+
+        members.Should().BeEmpty();
+    }
+
+    [HumansFact]
+    public void Metadata_UsesHumansPrefix()
+    {
+        var audience = NewAudience([], []);
+        audience.Key.Should().Be("marketing-no-ticket");
+        audience.MailerLiteGroupName.Should().Be("Humans - Marketing no Ticket");
+        audience.MailerLiteGroupName.Should().StartWith("Humans - ");
+    }
+
+    private static MarketingNoTicketAudience NewAudience(
+        IReadOnlyList<UserInfo> users,
+        HashSet<Guid> ticketHolders)
+    {
+        var userService = Substitute.For<IUserService>();
+        userService.GetAllUserInfosAsync(Arg.Any<CancellationToken>()).Returns(users);
+
+        var ticketService = Substitute.For<ITicketQueryService>();
+        ticketService.GetUserIdsWithTicketsAsync().Returns(ticketHolders);
+
+        return new MarketingNoTicketAudience(userService, ticketService);
+    }
+
+    private static UserInfo UserWithMarketingPref(Guid userId, bool optedOut) =>
+        UserInfo.Create(
+            new User { Id = userId, DisplayName = "u", PreferredLanguage = "en" },
+            [], [], [], profile: null, [], [], [],
+            [new CommunicationPreference
+            {
+                Id = Guid.NewGuid(),
+                UserId = userId,
+                Category = MessageCategory.Marketing,
+                OptedOut = optedOut,
+                UpdatedAt = Instant.FromUnixTimeSeconds(0),
+                UpdateSource = "Test",
+            }]);
+
+    private static UserInfo UserWithoutMarketingPref(Guid userId) =>
+        UserInfoStubHelpers.MakeUserInfo(userId);
+}